Perdue Company purchased equipment on April 1 for $86,670. The equipment was expected to have a useful life of three years, or 6,480 operating hours, and aresidual valueof $2,430. 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 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) thestraight-line method, (b)units-of-output method, and (c) thedouble-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.

a.Straight-line method

YearAmountYear 1$Year 2$Year 3$Year 4$

b.Units-of-output method

YearAmountYear 1$Year 2$Year 3$Year 4$

c.Double-declining-balance method

YearAmountYear 1$Year 2$Year 3$Year 4$