PART C only

S6-7 Assume that on September 30, 2020, Swiss, the national airline of Switzerland, purchased an Airbus aircraft at a cost of 40,000,000 ( is the symbol for the euro). Swiss expects the plane to remain useful for seven years (5,000,000km) and to have a residual value of 5,000,000. Swiss expects the plane to be flown 500,000km during the remainder of the first year ended December 31, 2020. Compute Swiss's depreciation on the plane for the year ended December 31, 2020, using the following methods: a. Straight-line b. Units-of-production c. Double-diminishing-balance