Boeing 747s Seat 400 Passengers and Are Priced at $200

Boeing 747s seat 400 passengers and are priced at $200 million each, Boeing 777s seat 300 passengers and are priced at $160 million, and European Airbus A321s seat 200 passengers and are priced at $60 million. You are the purchasing manager of an airline company and have a $8,640 million budget to purchase new aircraft to seat a total of 20,800 passengers. Your company has a policy of supporting U.S. industries, and you have been required to spend twice as much on U.S.- manufactured aircraft as on foreign aircraft. Given the selection of three aircraft, how many of each should you order ?

A) Number of Boeing 747s: 18 Number of Boeing 777s: 14
Number of European Airbus A321s: 45
B) Number of Boeing 747s: 18
Number of Boeing 777s: 16
Number of European Airbus A321s: 45
C) Number of Boeing 747s: 48
Number of Boeing 777s: 16
Number of European Airbus A321s: 16
D) Number of Boeing 747s: 16
Number of Boeing 777s: 16
Number of European Airbus A321s: 48
E) Number of Boeing 747s: 16
Number of Boeing 777s: 16
Number of European Airbus A321s: 45