Waylander Coatings Company purchased waterproofing equipment on January 6 for $478,800. The equipment was expected to have a useful life of four years, or 7,200 operating hours, and a residual value of $39,600. The equipment was used for 2,700 hours during Year 1, 2,200 hours in Year 2, 1,300 hours in Year 3, and 1,000 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 straight-line method, (b) the units of activity method, and (c) the double-dedining-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. Depreciation Expense Year Straight Line Method Units of Activity Method. Double Declining Balance Method Year 1 109,800 x 239,400 Year 2 109,800 x 119,700 Year 3 109,800 x 59,850 Year 4 109,800 x x Total x x x