Depreciation by Three Methods; Partial Years Razar Sharp Company purchased equipment on July 1, 2014, for $61,290. The equipment was expected to have a useful life of three years, or 5,400 operating hours, and a residual value of $1,890. The equipment was used for 1,000 hours during 2014, 1,900 hours in 2015, 1,600 hours in 2016, and 900 hours in 2017. Required: Determine the amount of depreciation expense for the years ended December 31, 2014, 2015, 2016, and 2017, by (a) the straight-line method, (b) units-of-output method, and (c) the double-declining-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 dollar.