Deprediation by Three Methods; Partial Years Perdue Company purchased equipment on April 1 for $63,450. The equipment was expected to have a useful life of three years, or 6,480 operating hours, and a residual value of $1,890. The equipment was used for 1,200 hours during Year 1, 2,300 hours in Year 2, 1,900 hours in Year 3, and 1,080 hours in Year 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 (e) the double-dedlining-balance method Note: FOR DECLINING BALANCE ONLY, round the multiplier to four decimal places. Then round the answer for each year to the nearest whole dollan a. Straight-line method Year Year 1 Year 2 Year 3 Year 4 Amount 15,39 b. Units-of-output method Year Amount Year 2 Year 3 Year 4 c. Double-declining-balance method Year Amount Year 2 Year 3 Year 4