p163 Gaub Corporation purchased a machine at a total cost of $400,000. As the accountant for the company you estimated a useful lif $50,000. The president of th on income over the next seven years.(Assume the computer is used 4,000 hours the first year and that e of seven years or 25,000 hours of operation, with a salvage value of e company wants to know what impact this capital expenditure will have it s usage increases 10 percent in each succeeding year.) ired: A. Prepare a schedule showing the depreciation expense and year-end carrying value of the asset for each of the next four years under each of the following methods of depreciation: 1. Straight-line method 2. Units-of-production method 3. Double-declining-balance method Why would management select one method over another? B