Comparing Three Depredation Methods Dexter Industries purchased packaging equipment on January 8 for $741,600. The equipment was expected to have a useful ife of four years, ar 8,400 operating hours, and a residual yalue of $61,200. The equipment was used for 2,940 hours during Year 1, 1,764 hours in Year 2, 2,352. hours in Year 3, and 1,34t hours in Year 4. Required: 1. Determine the amount of depreciation expense for the four years ending December 3t by (a) the straighiline method, (b) the units-of-activity inethod, 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. 2. What method yields the highest depreciation expense for Year 17 3. What method vieids the mont depreciation over the four-year ife of the oquipment