Fuel $7000Flight Crew Salaries $5400Airplane depriciation $2600Variable cost per

Fuel $7000Flight Crew Salaries $5400Airplane depriciation $2600Variable cost per business class ticket $ 50Variable cost pereconomy class ticket $ 40Round trip ticket business class $ 550Round trip ticket economy class $ 290It
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 product. Assume that the overall product is 20%
business class and 80% economy class tickets.b. How many business class and economy class seats would be sold at the break-even point?