Dexter Industries purchased packaging equipment on January 8 for $111,500. The equipment was expected to have a useful life of three years, or 20,000 operating hours, and a residual value of $7,500. The equipment was used for 8,950 hours during Year 1, 7,040 hours in You 2, and 4,010 hours in Year 3. Required: 1. Determine the amount of depreciation expense for the three years onded 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 three years by orch method. (Note: For STRAIGHT-LINE ONLY, round the first two years to the nearest whole comar, then round the third year as necessary. For DECLINING BALANCE ONLY, round the multier to five decimal places. Thon round the answer for each year to the nearest whole doftar) 2. What method yields the highest dopreciation expense for Year 17 3. What method yields the most depreciation over the three-year fo of the equipment