Scenario 15-6 An Airline Knows That There Are Two Types of Travelers

Scenario 15-6
An airline knows that there are two types of travelers: business travelers and vacationers.For a particular flight,there are 100 business travelers who will pay $600 for a ticket while there are 50 vacationers who will pay $300 for a ticket.There are 150 seats available on the plane.Suppose the cost to the airline of providing the flight is $20,000,which includes the cost of the pilots,flight attendants,fuel,etc.
-Refer to Scenario 15-6.How much additional profit can the firm earn by charging each customer their willingness to pay relative to charging a flat price of $600 per ticket?

A) $15,000
B) $25,000
C) $40,000
D) $70,000