Razar Sharp Company purchased equipment on July 1, 2014, for $25,110. The equipment was expected to have a useful life of three years, or 5,400 operating hours, and a residual value of $810. 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.