At the beginning of the year, Orbit Airways purchased a used Boeing aircraft at a cost of $45 million. Orbit Airways expects the plane to remain useful for five years (3 million kilometers) and to have a residual value of $5 million. Orbit Airways expects the plane to be flown 750,000 kilometers the first year and 1.5 million kilometers the second year. Compute Orbit Airways’ first-year depreciation on the plane using the following methods:

a. Straight-line

b. Units-of-production

c. Double-declining-balance

Show the airplane’s book value at the end of the first year under the straight-line method.