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S7-5. (Learning Objective 4: Computing depreciation by three methods-first year only) Assume that at the beginning of 20X6, AirAsia, a regional airline operating predominantly in Southeast Asia, purchased a used Boeing 737 aircraft at a cost of $55,000,000. AirAsia expects the plane to remain useful for five years ( 7 million miles) and to have a residual value of $6,000,000. AirAsia expects to fly the plane 875,000 miles the first year; 1,475,000 miles each year during the second, third, and fourth years; and 1,700,000 miles the last year. 1. Compute AirAsia's first-year depreciation on the plane using the following methods: a. Straight-line b. Units-of-production c. Double-declining-balance 2. Show the airplane's book value at the end of the first year under each depreciation method