120 : Je Problem 10-3 PR 10-3A Depreciation by three methods; partial years Perdue Company purchased equipment on April 1 for $270,000. The equipment was expec to have a useful tile of three yean, or 18,000 operating hours, and a residual value of $93 The equipment was used for 7,500 hours during Year 1, 5,500 hours in Year 2, 4 hoon in Year 3, and 1,000 hours in Year 4 Instructions Determine the amount of depreciation expense for the years ended December 31, Year i Year 2 Year 3, and Year 4 by G) the straight line method, (b) the units-of-activity met and (c) the double-doclining balanced