Vulcan Flyovers offers scenic overflights of Mount Saint 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 Flights (9) Revenue ($360.009) Expenses: Wages and salaries ($3,200+ $89.009) Fuel ($33.009) Airport fees ($820 + $32.009) Aircraft depreciation ($9.009) Office expenses ($240 + $1.009) Total expense Net operating income Actual Results Flexible Budget Planning Budget 57 57 55 $ 16,400 $ 20,520 $ 19,800 8,235 8,273 8,095 2,045 1,881 1,815 2,514 2,644 2,580 513 513 495 465 297 295 13,772 13,608 13,280 $ 2,628 $ 6,912 $ 6,520 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.