Dexter Industries purchased packaging equipment on January 8 for $90,000. The equipment was expected to have a useful life of 3 years, or 22,500 operating hours, and a residual value of $4,500. The equipment was used for 9,000 hours during Year 1, 6,750 hours in Year 2, and 6,750 hours in Year 3. Required: 1. Determine the amount of depreciation expense for the 3 years ending December 31, 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 3 years by each method. Do not round intermediate calculations when determining the depreciation rate. Round the final answers for each year to the nearest whole dollar. Depreciation Expense Year Straight-Line Method Units-of-Activity Method Double-Declining- Balance Method Year 1 $fill in the blank 1 28,500 $fill in the blank 2 34,200 $fill in the blank 3 90,000 Year 2 fill in the blank 4 28,500 fill in the blank 5 25,650 fill in the blank 6 60,000 Year 3 fill in the blank 7 28,500 fill in the blank 8 25,650 fill in the blank 9 10,000 Total $fill in the blank 10 85,500 $fill in the blank 11 85,500 $fill in the blank 12 86,667