Please help me on this one

Comparing Three Depreciation Methods Dexter Industries purchased packaging equipment on January 8 for $372,400. The equipment was expected to have a useful life of three years, or 5,100 operating hours, and a residual value of $30,700. The equipment was used for 2,040 hours during Year 1, 1,581 hours in Year 2, and 1,479 hours in Year 3. Required: 1. Determine the amount of depreciation expense for the three years ending December 31, Year 1, Year 2, Year 3, 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 three years by each method. Note: For all methods, round the answer for each year to the nearest whole dollar. Year Year 1 Year 2 Year 3 Total Straight-Line Method Depreciation Expense Units-of-Activity Method Double-Declining-BaIance Method 2. What method Yields the highest depreciation expense for Year 1? 3. What method yields the most depreciation over the three-year life of the equipment?