i only need part b the units of activity method please!

Depreciation by Three Methods: Partial Years Perdue Company purchased equipment on October 1 for $51,010. The equipment was expected to have a useful life of three years, ar 7,000 operating hours, and a cedat value of $2,010. The equipment was used for 1,300 hours during Year 1, 2,500 hours in Year 2, 1,800 hours in Year ), and 1,500 hours in Year 4 Required: Determine the amount of depreciation expense for the years ended December 31, Yoar 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 dellee, a. Straight line method Year Amount Year 4,083 Year 2 16,333 Year 3 16,333 Year 4 12,250 b. Units of activity method Year Amount 9,100 X Year 1 Year 2 17,500 x Year 3 12,600 X Year 4 10,500 X