Please let me know how to do all the three methods.

Comparing Three Depreciation Methods Dexter Industries purchased packaging equipment on January 8 for $199,200. The equipment was expected to have a useful life of three years, or 6,300 operating hours, and a residual value of $16,500. The equipment was used for 2,520 hours during Year 1, 1,953 hours in Year 2, and 1,827 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. Depreciation Expense Units-of-Activity Method Year Straight-Line Method Double-Declining-Balance Method Year 1 60,900 73,080 $ 132,800 Year 2 60,900 56,637 $ 44,267 Year 3 60,900 52,983 $ 5,633 Total 182,700 182,700 $ 182,700 2. What method yields the highest depreciation expense for Year 1? Double-declining-balance method 3. What method yields the most depreciation over the three-year life of the equipment? All three denreciation methods