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Deck 34: A: Information Technology
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Question
Professor Kremepuff's new, user-friendly textbook has just been published. This book will be used in classes for two years, after which it will be replaced by a new edition. The publisher charges a price of p1 in the first year and p2 in the second year. After the first year, bookstores buy back used copies for 
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - 
. In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 80,000 - 1,000v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 80,000 - 5,000w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 75,000 - 1,000p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will be
A) 160,000 - 1,000p1 - 1,000p2.
B) 160,000 - 1,000(p1 -).
C) 160,000 - 3,000p2.
D) 155,000 - 1,000(p1 +).
E) 155,000 - 1,500p2.
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 80,000 - 1,000v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 80,000 - 5,000w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 75,000 - 1,000p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will beA) 160,000 - 1,000p1 - 1,000p2.
B) 160,000 - 1,000(p1 -).
C) 160,000 - 3,000p2.
D) 155,000 - 1,000(p1 +).
E) 155,000 - 1,500p2.
Question
If the demand function for the DoorKnobs operating system is related to perceived market share s and actual market share x by the equation p = 512s(1 - x), then in the long run, the highest price at which DoorKnobs could sustain a market share of 
is
A) $96.
B) $256.
C) $113.78.
D) $128.
E) $81.92.
isA) $96.
B) $256.
C) $113.78.
D) $128.
E) $81.92.
Question
Question
Question
Question
If the demand function for the DoorKnobs operating system is related to perceived market share s and actual market share x by the equation p = 512s(1 - x), then in the long run, the highest price at which DoorKnobs could sustain a market share of 
is
A) $256.
B) $113.78.
C) $96.
D) $128.
E) $81.92.
isA) $256.
B) $113.78.
C) $96.
D) $128.
E) $81.92.
Question
If the demand function for the DoorKnobs operating system is related to perceived market share s and actual market share x by the equation p = 512s(1 - x), then in the long run, the highest price at which DoorKnobs could sustain a market share of 
is
A) $96.
B) $128.
C) $256.
D) $113.78.
E) $81.92.
isA) $96.
B) $128.
C) $256.
D) $113.78.
E) $81.92.
Question
Question
Professor Kremepuff's new, user-friendly textbook has just been published. This book will be used in classes for two years, after which it will be replaced by a new edition. The publisher charges a price of p1 in the first year and p2 in the second year. After the first year, bookstores buy back used copies for 
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - 
. In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 60,000 - 1,000v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 60,000 - 5,000w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 45,000 - 1,000p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will be
A) 120,000 - 3,000p2.
B) 120,000 - 1,000(p1 -).
C) 120,000 - 1,000p1 - 1,000p2.
D) 105,000 - 1,000(p1 +).
E) 105,000 - 1,500p2.
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 60,000 - 1,000v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 60,000 - 5,000w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 45,000 - 1,000p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will beA) 120,000 - 3,000p2.
B) 120,000 - 1,000(p1 -).
C) 120,000 - 1,000p1 - 1,000p2.
D) 105,000 - 1,000(p1 +).
E) 105,000 - 1,500p2.
Question
Professor Kremepuff's new, user-friendly textbook has just been published. This book will be used in classes for two years, after which it will be replaced by a new edition. The publisher charges a price of p1 in the first year and p2 in the second year. After the first year, bookstores buy back used copies for 
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - 
. In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 50,000 - 1,500v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 50,000 - 7,500w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 45,000 - 1,500p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will be
A) 100,000 - 1,500p1 - 1,500p2.
B) 100,000 - 1,500(p1 -).
C) 95,000 - 1,500(p1 +).
D) 100,000 - 4,500p2.
E) 95,000 - 2,250p2.
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 50,000 - 1,500v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 50,000 - 7,500w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 45,000 - 1,500p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will beA) 100,000 - 1,500p1 - 1,500p2.
B) 100,000 - 1,500(p1 -).
C) 95,000 - 1,500(p1 +).
D) 100,000 - 4,500p2.
E) 95,000 - 2,250p2.
Question
If the demand function for the DoorKnobs operating system is related to perceived market share s and actual market share x by the equation p = 512s(1 - x), then in the long run, the highest price at which DoorKnobs could sustain a market share of 
is
A) $113.78.
B) $128.
C) $256.
D) $96.
E) $81.92.
isA) $113.78.
B) $128.
C) $256.
D) $96.
E) $81.92.
Question
Professor Kremepuff's new, user-friendly textbook has just been published. This book will be used in classes for two years, after which it will be replaced by a new edition. The publisher charges a price of p1 in the first year and p2 in the second year. After the first year, bookstores buy back used copies for 
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - 
. In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 50,000 - 500v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 50,000 - 2,500w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 30,000 - 500p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will be
A) 100,000 - 500(p1 -).
B) 80,000 - 500(p1 +).
C) 100,000 - 500p1 - 500p2.
D) 100,000 - 1,500p2.
E) 80,000 - 750p2.
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 50,000 - 500v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 50,000 - 2,500w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 30,000 - 500p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will beA) 100,000 - 500(p1 -).
B) 80,000 - 500(p1 +).
C) 100,000 - 500p1 - 500p2.
D) 100,000 - 1,500p2.
E) 80,000 - 750p2.
Question
If the demand function for the DoorKnobs operating system is related to perceived market share s and actual market share x by the equation p = 512s(1 - x), then in the long run, the highest price at which DoorKnobs could sustain a market share of 
is
A) $256.
B) $128.
C) $113.78.
D) $96.
E) $81.92.
isA) $256.
B) $128.
C) $113.78.
D) $96.
E) $81.92.
Question
Professor Kremepuff's new, user-friendly textbook has just been published. This book will be used in classes for two years, after which it will be replaced by a new edition. The publisher charges a price of p1 in the first year and p2 in the second year. After the first year, bookstores buy back used copies for 
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - 
. In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 60,000 - 500v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 60,000 - 2,500w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 40,000 - 500p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will be
A) 120,000 - 1,500p2.
B) 120,000 - 500p1 - 500p2.
C) 120,000 - 500(p1 -).
D) 100,000 - 500(p1 +).
E) 100,000 - 750p2.
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 60,000 - 500v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 60,000 - 2,500w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 40,000 - 500p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will beA) 120,000 - 1,500p2.
B) 120,000 - 500p1 - 500p2.
C) 120,000 - 500(p1 -).
D) 100,000 - 500(p1 +).
E) 100,000 - 750p2.
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Deck 34: A: Information Technology
1
Professor Kremepuff's new, user-friendly textbook has just been published. This book will be used in classes for two years, after which it will be replaced by a new edition. The publisher charges a price of p1 in the first year and p2 in the second year. After the first year, bookstores buy back used copies for and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 80,000 - 1,000v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 80,000 - 5,000w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 75,000 - 1,000p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will be
A) 160,000 - 1,000p1 - 1,000p2.
B) 160,000 - 1,000(p1 -).
C) 160,000 - 3,000p2.
D) 155,000 - 1,000(p1 +).
E) 155,000 - 1,500p2.
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 80,000 - 1,000v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 80,000 - 5,000w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 75,000 - 1,000p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will beA) 160,000 - 1,000p1 - 1,000p2.
B) 160,000 - 1,000(p1 -).
C) 160,000 - 3,000p2.
D) 155,000 - 1,000(p1 +).
E) 155,000 - 1,500p2.
D
2
If the demand function for the DoorKnobs operating system is related to perceived market share s and actual market share x by the equation p = 512s(1 - x), then in the long run, the highest price at which DoorKnobs could sustain a market share of is
A) $96.
B) $256.
C) $113.78.
D) $128.
E) $81.92.
isA) $96.
B) $256.
C) $113.78.
D) $128.
E) $81.92.
E
3
Eleven consumers are trying to decide whether to connect to a new communications network. Consumer 1 is of type 1, consumer 2 is of type 2, consumer 3 is of type 3, and so on. Where k is the number of consumers connected to the network (including oneself), a consumer of type n has a willingness to pay to belong to this network equal to k times n. What is the highest price at which 4 consumers could all connect to the network and either make a profit or at least break even?
A) $24
B) $64
C) $40
D) $28
E) $32
A) $24
B) $64
C) $40
D) $28
E) $32
E
4
Eleven consumers are trying to decide whether to connect to a new communications network. Consumer 1 is of type 1, consumer 2 is of type 2, consumer 3 is of type 3, and so on. Where k is the number of consumers connected to the network (including oneself), a consumer of type n has a willingness to pay to belong to this network equal to k times n. What is the highest price at which 11 consumers could all connect to the network and either make a profit or at least break even?
A) $12
B) $10
C) $1
D) $0
E) $11
A) $12
B) $10
C) $1
D) $0
E) $11
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5
Eleven consumers are trying to decide whether to connect to a new communications network. Consumer 1 is of type 1, consumer 2 is of type 2, consumer 3 is of type 3, and so on. Where k is the number of consumers connected to the network (including oneself), a consumer of type n has a willingness to pay to belong to this network equal to k times n. What is the highest price at which 9 consumers could all connect to the network and either make a profit or at least break even?
A) $30
B) $9
C) $18
D) $24
E) $27
A) $30
B) $9
C) $18
D) $24
E) $27
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6
If the demand function for the DoorKnobs operating system is related to perceived market share s and actual market share x by the equation p = 512s(1 - x), then in the long run, the highest price at which DoorKnobs could sustain a market share of is
A) $256.
B) $113.78.
C) $96.
D) $128.
E) $81.92.
isA) $256.
B) $113.78.
C) $96.
D) $128.
E) $81.92.
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7
If the demand function for the DoorKnobs operating system is related to perceived market share s and actual market share x by the equation p = 512s(1 - x), then in the long run, the highest price at which DoorKnobs could sustain a market share of is
A) $96.
B) $128.
C) $256.
D) $113.78.
E) $81.92.
isA) $96.
B) $128.
C) $256.
D) $113.78.
E) $81.92.
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8
Eleven consumers are trying to decide whether to connect to a new communications network. Consumer 1 is of type 1, consumer 2 is of type 2, consumer 3 is of type 3, and so on. Where k is the number of consumers connected to the network (including oneself), a consumer of type n has a willingness to pay to belong to this network equal to k times n. What is the highest price at which 4 consumers could all connect to the network and either make a profit or at least break even?
A) $24
B) $40
C) $64
D) $28
E) $32
A) $24
B) $40
C) $64
D) $28
E) $32
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9
Professor Kremepuff's new, user-friendly textbook has just been published. This book will be used in classes for two years, after which it will be replaced by a new edition. The publisher charges a price of p1 in the first year and p2 in the second year. After the first year, bookstores buy back used copies for and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 60,000 - 1,000v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 60,000 - 5,000w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 45,000 - 1,000p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will be
A) 120,000 - 3,000p2.
B) 120,000 - 1,000(p1 -).
C) 120,000 - 1,000p1 - 1,000p2.
D) 105,000 - 1,000(p1 +).
E) 105,000 - 1,500p2.
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 60,000 - 1,000v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 60,000 - 5,000w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 45,000 - 1,000p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will beA) 120,000 - 3,000p2.
B) 120,000 - 1,000(p1 -).
C) 120,000 - 1,000p1 - 1,000p2.
D) 105,000 - 1,000(p1 +).
E) 105,000 - 1,500p2.
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10
Professor Kremepuff's new, user-friendly textbook has just been published. This book will be used in classes for two years, after which it will be replaced by a new edition. The publisher charges a price of p1 in the first year and p2 in the second year. After the first year, bookstores buy back used copies for and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 50,000 - 1,500v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 50,000 - 7,500w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 45,000 - 1,500p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will be
A) 100,000 - 1,500p1 - 1,500p2.
B) 100,000 - 1,500(p1 -).
C) 95,000 - 1,500(p1 +).
D) 100,000 - 4,500p2.
E) 95,000 - 2,250p2.
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 50,000 - 1,500v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 50,000 - 7,500w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 45,000 - 1,500p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will beA) 100,000 - 1,500p1 - 1,500p2.
B) 100,000 - 1,500(p1 -).
C) 95,000 - 1,500(p1 +).
D) 100,000 - 4,500p2.
E) 95,000 - 2,250p2.
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11
If the demand function for the DoorKnobs operating system is related to perceived market share s and actual market share x by the equation p = 512s(1 - x), then in the long run, the highest price at which DoorKnobs could sustain a market share of is
A) $113.78.
B) $128.
C) $256.
D) $96.
E) $81.92.
isA) $113.78.
B) $128.
C) $256.
D) $96.
E) $81.92.
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12
Professor Kremepuff's new, user-friendly textbook has just been published. This book will be used in classes for two years, after which it will be replaced by a new edition. The publisher charges a price of p1 in the first year and p2 in the second year. After the first year, bookstores buy back used copies for and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 50,000 - 500v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 50,000 - 2,500w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 30,000 - 500p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will be
A) 100,000 - 500(p1 -).
B) 80,000 - 500(p1 +).
C) 100,000 - 500p1 - 500p2.
D) 100,000 - 1,500p2.
E) 80,000 - 750p2.
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 50,000 - 500v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 50,000 - 2,500w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 30,000 - 500p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will beA) 100,000 - 500(p1 -).
B) 80,000 - 500(p1 +).
C) 100,000 - 500p1 - 500p2.
D) 100,000 - 1,500p2.
E) 80,000 - 750p2.
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13
If the demand function for the DoorKnobs operating system is related to perceived market share s and actual market share x by the equation p = 512s(1 - x), then in the long run, the highest price at which DoorKnobs could sustain a market share of is
A) $256.
B) $128.
C) $113.78.
D) $96.
E) $81.92.
isA) $256.
B) $128.
C) $113.78.
D) $96.
E) $81.92.
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14
Professor Kremepuff's new, user-friendly textbook has just been published. This book will be used in classes for two years, after which it will be replaced by a new edition. The publisher charges a price of p1 in the first year and p2 in the second year. After the first year, bookstores buy back used copies for and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 60,000 - 500v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 60,000 - 2,500w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 40,000 - 500p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will be
A) 120,000 - 1,500p2.
B) 120,000 - 500p1 - 500p2.
C) 120,000 - 500(p1 -).
D) 100,000 - 500(p1 +).
E) 100,000 - 750p2.
and resell them to students in the second year for p2. (Students are indifferent between new and used copies.) The cost to a student of owning the book during the first year is therefore p1 - . In the first year of publication, the number of students willing to pay $v to own a copy of the book for a year is 60,000 - 500v. The number of students taking the course in the first year who are willing to pay $w to keep the book for reference rather than sell it at the end of the year is 60,000 - 2,500w. The number of persons who are taking the course in the second year and are willing to pay at least $p for a copy of the book is 40,000 - 500p. If the publisher sets a price of p1 in the first year and p2 <= p1 in the second year, then the total number of copies of the book that the publisher sells over the two years will beA) 120,000 - 1,500p2.
B) 120,000 - 500p1 - 500p2.
C) 120,000 - 500(p1 -).
D) 100,000 - 500(p1 +).
E) 100,000 - 750p2.
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15
Eleven consumers are trying to decide whether to connect to a new communications network. Consumer 1 is of type 1, consumer 2 is of type 2, consumer 3 is of type 3, and so on. Where k is the number of consumers connected to the network (including oneself), a consumer of type n has a willingness to pay to belong to this network equal to k times n. What is the highest price at which 5 consumers could all connect to the network and either make a profit or at least break even?
A) $49
B) $30
C) $42
D) $28
E) $35
A) $49
B) $30
C) $42
D) $28
E) $35
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