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Depreciation by Three Methods: Partial Years Perdue Company purchased equipment on October 1 for $46,750. The equipment was expected to have a useful life of three years, or 6,400 operating hours, and a residual value of $1,950. The equipment was used for 1,200 hours during Year 1, 2,200 hours in Year 2. 1,600 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 straight-line method, (b) the units-of-activity method, and (c) the double-declining balance method. Note: Round all values for each depreciation method and each year to the nearest whole dollar. a. Straight-line method Year 3 14,933 Year 4 11,200 b. Units-of-activity method Year Amount Year 1 8,766 X