Just need some help on this please and the parts that will follow!

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S9-3 (similar to) Question Help On January 1, 2018, Austin Airlines purchased a used airplane for $40,500,000. Austin Airlines expects the plane to remain useful for four years (4,000,000 miles) and to have a residual value of $4,500,000. The company expects the plane to be flown 1,600,000 miles the first year. Read the requirements. Requirement 1a. Compute Austin Airlines's first-year depreciation expense on the plane using the straight-line method. Begin by selecting the formula to calculate the company's first-year depreciation expense on the plane using the straight-line method. Then enter the amounts and calculate the depreciation for the first year. | = Straight-line depreciation Requirements -X 1. Compute Austin Airlines's first-year depreciation expense 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 for all three methods. Print Done Choose from any drop-down list and then click Check Answer. ? 7 parts Clear All remaining Check