On January 1, 2020, Alaska Freight Transportation Company purchased a used aircraft at a cost of $63,400,000. Alaska Freight expects the plane to remain useful for five years (6,500,000 miles) and to have a residual value of $5,400,000. Alaska Freight expects to fly the plane 825,000 miles the first year, 1,350,000 miles each year during the second, third, and fourth years, and 1,625,000 miles the last year. Read the requirements. ... 1. Compute Alaska Freight's depreciation for the first two years on the plane using the straight-line method, the units-of-production method, and the double-declining balance method. a. Straight-line method Using the straight-line method, depreciation is for 2020 and for 2021. Requirements 1. Compute Alaska Freight's depreciation for the first two years on the plane using the following methods: a. Straight-line method b. Units-of-production method (round depreciation per mile to the closest cent) c. Double-declining-balance method 2. Show the airplane's book value at the end of the first year under each depreciation method