Comparing Three Depreciabion Methods Dexter Industries purchased packaging equipment on January 8 for $620,800. The equipment was expected to have a useful life of four years, or 6,400 operating hours, and a residual value of \$51,200. The equipment was used for 2,240 hours during Year 1, 1,344 hours in Year 2, 1,792 hours in Year 3, and 1,024 hours in Year 4. Required: 1. Determine the amount of depreciation expense for the four vears ending December 31 by (a) the straight-line method, (b) the units-of-activity method, and (c) the double-decining-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. 2. What method vields the highent depreciation expense for Year 1? 3. What method yields the most depreciatioh over the four-year ife of the equipment