Dexter Industries purchased packaging equipment on January 8 for $804,800. The equipment was expected to have a useful life of four years, or 10,400 operating hours and a residual value of $66,400. The equipment was used for 3,640 hours during Year 1, 2,184 hours in Year 2, 2,912 hours in Year 3, and 1,664 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 2. What method yields the highest depreciation expense for Year 17 3. What method yields the most depreciation over the four-year life of the equipment?