need help with this and can i know the working aswell

Comparing Three Depreciation Methods Dexter Industries purchased packaging equipment on January 8 for $334,800. The equipment was expected to have a useful life of four years, ar 4,500 operating hours, and a residual value of $27,600. The equipment was used for 1,680 hours during Year 1, 1,008 hours in Year 2, 1,344 hours in Year 3, and 768 hours in Year 4. Required: 1. Determine the amount of depreciation expense for the four years ending December 31 by (a) the straight line method, (b) the units-of-activity method, and (c) the double-declining balance method. Also determine the total depreciation expense for the four years by each method. Round the answer for each year to the nearest whole dollar Depreciation Expense Units-of-Activity Double-Declining- Year Straight-Line Method Method Balance Method Year 1 Year 2 Year 3 Year 4 Total Accounting numerie field 2. What method yields the highest depreciation expense for Year 1? Double-declining-balance method 3. What method yields the most depreciation over the four-year life of the equipment? All three depreciation methods