Vulcan Flyovers offers scenic overflights of Mount St. Helens, the volcano in Washington State that explosively erupted in 1982. Data concerning the company's operations in July appear below: Vulcan Flyovers Operating Data For the Month Ended July 31 Actual Flexible Planning ResultsBudgetBudget Flights (q) Revenue ($355.00q) 57 57 $16,400 $20,235 $ 19,525 Expenses Fuel ($31.00q) Airport fees ($820$34.00q) Aircraft depreciation ($9.00q) Office expenses ($230 $1.00q) Wages and salaries ($3,500+$89.00q) 8,535 8,573 8,395 1,705 2,690 495 285 1,935 2,638 513 455 1,767 2,758 513 287 Total expense 14,076 13,898 13,570 Net operating income $ 2,324 S 6,337 S 5,955 The company measures its activity in terms of flights. Customers can buy individual tickets for overflights or hire an entire plane for an overflight at a discount