DEVOTION Dexter Industries purchased packaging equipment on January B for $478,000. The equipment was expected to have a useful life of three years, or 5,100 operating hours, and a residual value of $39,400. The equipment was used for 2,040 hours during Year 1, 1,581 hours in Year 2, and 1,479 hours in Year 3. Required: 1. Determine the amount of depreciation expense for the three years ending December 31, Year 1, Year 2 Year 3, by () 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 each method Note: For all methods, round the answer for each year to the nearest whole dollar. Depreciation Expense Straight-Line Method Units-of-Activity Method Double Declining-Balance Method Year Year 1 Year 2 Year 3 Total 2. What method yields the highest deprecation expense for Year 12 3. What method vields the most depreciation over the three-veat life of the equipment