Red Brick Company purchased a front-end loader and tractor for $44,000 on October 1, 2010. The tractor has an estimated useful life of six years or 26,250 hours and a residual value of $2,000. Listed in the chart below is the number of hours the tractor and front-end loader were used during 2011 through 2017.

Year # of hours used

2010 2,600

2011 4,200

2012 3,900

2013 4,150

2014 4,300

2015 4,000

2016 3,100

a) Calculate depreciation using the straight line method for 2010 through 2016.

b) Calculate depreciation using units of production method for 2010 through 2016.

c) Calculate depreciation using declining balance method for 2010 through 2016.