be right please

Waylander Coatings Company purchased waterproofing equipment on lanuary 6 for $784,800. The equipment was expected to have a useful life of four years, or 9,600 operating hours, and a residual value of $64,800. The equipment was used for 3,600 hours during Year 1,3,000 hours in Year 2,1,700 hours in Year 3 , and 1,300 hours in Year 4. Required: 1. Determine the amount of depreciation expense for the years ended December 31 , Year 1 , Year 2 , Year 3 , and Year 4, by (a) the stralghtline 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. Note: Round the answer for each year to the nearest whole dollar. 3. What method yields the most depreciation over the four-year life of the equipment