Depreciation by Three Methods; Partial Years Perdue Company purchased equipment on Apnit 1 for $58,740. The equipment was expected to have a useful life of three years, or 8,100 operating hours, and a retidual value of $2,040. The equiprnent was used for 1,500 hours during Year 1, 2,800 hours in Year 2, 2,400 hours in Year 3, and 1,400 hours in Year 4 . Required: Determine the amount of depreciation expense for the years ended December 31, Year 1, Year 2, Year 3 , and Year 4, by (a) the straighfelitie miethod, (b) the unite-off activity method, and (c) the double-dedining-balance method, Noter Round all final values for each depreciation method and esch year to the nearest whole dollar. a. Straight-line method b. Unats-of-activity method 2 more Check My Woth inesterwinirg c. Double-declining-balance method