what are the answers for 1,2,3, and how did you solve?

Comparing Three Depreciation Methods Dexter Industries purchased packaging equipment on January 8 for $521,800. The equipment was expected to have a useful life of four years, or 7,600 operating hours, and a residual value of $43,000. The equipment was used for 2,660 hours during Year 1, 1,596 hours In Year 2, 2,128 hours In Year 3, and 1,216 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- Straight-Line Method Method Balance Method Year Year 1 119,700 167,580 260,900 Year 2 119,700 $ 100,548 $ 130,450 Year 3 119,700 S 134,064 Year 4 119,700 76,608 S Total 478,800 478,800 478,800 2. What method vields the highest depreciation expense for Year 17 Double-declining-balance method 3. What method yields the most depreciation over the four-year life of the equipment? Double-declining-balance method