obj. 5 Va. 80 seats E11-21 Break-even sales and sales mix for a service company Yellow Dove Airways provides air transportation services between Portland and Minneapo- lis. A single Portland to Minneapolis round-trip flight has the following operating statistics Fuel and landing fees Flight crew salaries Airplane depreciation Variable cost per passenger-business class Variable cost per passenger-economy class Round-trip ticket price-business class Round-trip ticket price-economy class $19,400 3,760 2,600 50 20 750 300 It is assumed that the fuel and landing fees, crew salaries, and airplane depreciation are fixed, regardless of the number of seats sold for the round-trip flight. a. Compute the break-even number of seats sold on a single round-trip flight for the overll product. Assume that the overall product is 10% business class and 90% economy class tickets b. How many business class and economy class seats would be sold at the break-even po