Waylander Coatings Company purchased waterproofing equipment on January 6 for $712,400. The equipment was expected to have a useful life of four years, or 7,600 operating hours, and a residual value of $58,800. The equipment was used for 2,900 hours during Year 1, 2,400 hours in Year 2, 1,400 hours in Year 3, and 900 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 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 Depreciation Expense Year Straight-Line Method Units-of-Activity Method Year 1 653,600 X Double-Declining-Balance Method