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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 $9,000. 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) units-of-output method, and (c) the double-dedining balance method. Note: FOR DECLINING BALANCE ONLY, round the answer for each year to the nearest whole dollar. a. Straight-line method Year Amount Year 1 38,880 X Year 2 33,600 x Year 3 Year 4 b. Units-of-output method Year Amount Year 1 1,350 X Year 2 a. Straight line method Year Amount Year 1 38,880 X Year 2 33,600 X Year 3 Year 4 b. Units-of-output method Year Amount Year 1 1,350 X Year 2