Depreciation by Three Methods; Partial Years

Razar Sharp Company purchased equipment on July 1, 2014, for $86,670. The equipment was expected to have a useful life of three years, or 6,480 operating hours, and a residual value of $2,430. The equipment was used for 1,200 hours during 2014, 2,300 hours in 2015, 1,900 hours in 2016, and 1,080 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.

a. Straight-line method

Year	Amount
2014	$
2015	$
2016	$
2017	$

b. Units-of-output method

Year	Amount
2014	$
2015	$
2016	$
2017	$

c. Double-declining-balance method

Year	Amount
2014	$
2015	$
2016	$
2017	$