Assume that on September 30, 2017, Grandair, an international airline based in Germany, purchased a Jumbo aircraft at a cost of 45,000,000 ( is the symbol for the euro). Grandair expects the plane to remain useful for five years (4,500,000 miles) and to have a residual value of 5,400,000. Grandair will fly the plane 410,000 miles during the remainder of 2017. Read the requirements a. Compute Grandair's depreciation on the plane for the year ended December 31, 2017, using the straight-line method. The depreciation on the plane for the year ended December 31, 2017, using the straight-line method is b. Compute Grandair's depreciation on the plane for the year ended December 31, 2017, using the units-of-production method. (Do not round intermediary calculations. Only round the amount you input in the cell to the nearest whole number.) The depreciation on the plane for the year ended December 31, 2017, using the units-of-production method is C. Compute Grandair's depreciation on the plane for the year ended December 31, 2017, using the double-declining method. (Round the double-declining-balance depreciation rate to two decimal places and round the amount you input in the cell to the nearest whole number.) The depreciation on the plane for the year ended December 31, 2017, using the double-declining-balance method is Which method would produce the highest net income for 2017? Which method produces the lowest net income? depreciation produces the highest net income depreciation produces the lowest net income