Depreciation by Three Methods; Partial Years

Razar Sharp Company purchased equipment on July 1, 2012, for $50,490. The equipment was expected to have a useful life of three years, or 7,560 operating hours, and a residual value of $1,350. The equipment was used for 1,400 hours during 2012, 2,600 hours in 2013, 2,300 hours in 2014, and 1,260 hours in 2015.

Required:

Determine the amount of depreciation expense for the years ended December 31, 2012, 2013, 2014, and 2015, 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
2012	$
2013	$
2014	$
2015	$

b. Units-of-output method

Year	Amount
2012	$
2013	$
2014	$
2015	$

c. Double-declining-balance method

Year	Amount
2012	$
2013	$
2014	$
2015	$