q 30 please help

residual value of $37,200. The equipment was used for 3,300 hours during Year 1,2,700 hours in Year 2,1,600 hours in Year 3 , and 1,200 hours in Year 4 . Required: double-declining-balance method. Also determine the total depreciation expense for the four years by each method. Note: Round the answer for each year to the nearest whole dollar. 3. What method yields the most depreciation over the four-year life of the equipment