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Depreciation by Three Methods; Partial Years Perdue Company purchased equipment on April 1 for $270,000. The equipment was expected to have a useful life of three years or 18,000 operating hours, and a residual value of 39,000. The equipment was used for 7,500 hours during Year 1, 5,500 hours in Year 2, 4,000 hours in Year 3, and 1,000 hours in Year 4 Required: Determine the amount of depreciation expense for the years ended December 31, Year 1, Year 2. Year 3, and Year 4, by (a) the straight line method, (b) the units-of: activity method, and (c) the double-declining balance method Note: Round all final values for each depreciation method and each year to the nearest whole dollar a. Straight-line method Year Amount Year 1 12,775 x Year 2 17,033 X Year 3 17,033 X Year 4 4,258 X b. Units-of-activity method Year Amount Year 1 5,307 X Year 2 17,690 X Year 3 5,896 X Year 4 1,207 X C. Double-declining-balance Method Year Amount Year 1 5,600 x Year 2 10,500X Year 3 9,100 X Year 4 4,900 X