Depreciation by Three Methods; Partial Years Perdue Company purchased equipment on October 1 for 352,720 . The equipment was expected to have a useful ife of three years, or 7,300 operating heurs, and a residual value of 51,620 . The equipment was used for 1,300 hours during Year 1,2,600 hours in Year 2,2,200 hours in Year 3 , and 1,200 hours in Year 4 , Required: Determine the amount of depreciation expense for the years ended December 31, Year 1, Year 2, Year 3 , and Yeat 4 , by (a) the straight-4ine method, (b) the units-ofactivity method, and (c) the double-declining-balance method. Note: Round all finat values for eacli depreciation method and each year to the nearest whole dollar. Determine the amount of depreciation expense for the years ended December 31, Year 1, Year 2 , Year 3 , and Year-4, by (a) the itralght-line imethad, (b) the units-afactivity method, and (c) the double-declining-balance method. Note: Round ail final values for each depreciation method and each year to the nearest whole dollac. a. Straight-line method b. Units-of-activity method c. Double-declining-balance method