I have no idea what im doing wrong and im getting frustrated. Please Help.

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-output method, and (c) the double-declining-balance method. Also determine the total depreciation expense for the four years by each method. Note: FOR DECLINING BALANCE ONLY, round the multiplier to four decimal places. Then round the answer for each year to the nearest whole dollar Double-Declining-Balance Method 360,400 180,200 Depreciation Expense Year Straight-Line Method Units-of-Output Method Year 1 252,300 X 275,500 x Year 2 208,800 x 228,000 Year 3 121,800 x 133,000 X Year 4 78,300 85,500 661,200 722,000 2. What method yields the highest depreciation expense for Year 1? Double-declining-balance method 90,100 45,050 x Total 505,750 x 3. What method yields the most depreciation over the four-year life of the equipment? Units-of-output method