4,00U 295,895,000 283,752,000 Low 28,000 Airplane maintenance: High 44,000 15,872,000 11,688,000 LOW 28,000 Required: If required, round calculations and answers to nearest dollar, 1. Develop an annual cost formula for airplane depreciation Total annual cost of airplane depreciation = 12 ( 18,400,000) Develop an annual cost formula for fuel Total annual cost of fuel 10,134 x Annual number of alrplane flight hours Develop an annual cost formula for airplane maintenance Total annual cost of airplane maintenance 12 * $ 4,366,000 ) + ( [ 261.5 x Annual number of airplane flight hours 2. Using the three annual cost formulas that you developed, predict the cost of each resource in a year with 486,000 airplane flight hours. Total annual cost of airplane depreciation Total annual cost of fuel Total annual cost of airplane maintenance