break-even sales and sales mix for a service company zero turbulence airline provides air transportation services between los angeles, california, and kona, hawaii. a single los angeles to kona round-trip flight has the following operating statistics: fuel $7,000 flight crew salaries 3,200 airplane depreciation 3,480 variable cost per passenger—business class 140 variable cost per passenger—economy class 120 round-trip ticket price—business class 800 round-trip ticket price—economy class 300 it is assumed that the fuel, 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 overall enterprise product, e. assume that the overall product mix is 10% business class and 90% economy class tickets. total number of seats at break-even fill in the blank 1 seats b. how many business class and economy class seats would be sold at the break-even point? business class seats at break-even fill in the blank 2 seats economy class seats at break-even fill in the blank 3 seats