Waylander Coatings Company purchased waterproofing equipment on January 6 for $686,800. The equipment was expected to have a useful life of four years, or 8,400 operating hours, and a residual value of $56,800. The equipment was used for 3,200 hours during Year 1, 2,600 hours in Year 2, 1,500 hours in Year 3, and 1,100 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 Double-Declining-Balance Method Year Straight-Line Method Year 1 157,500 Year 2 $157,500 Year 3 $157,500 Year 4 157,500 Total 630,000 Units-of-Activity Method $ 240,000 $195,000 $112,500 82,500 630,000 V