Please solve and EXPLAIN, thank you.

I already try the =DDB($B$3,$B$4,$B$5,1) but it's not right.

1 Sullivan Ranch Corporation has purchased a new tractor. The following information is given: $ $ 150,000 10,000 1200 3 Cost: 4 Estimated Residual: 5 Estimated Life in years: 6 Estimated Life in hours: 7 Actual Hours: 8 Year 1 9 Year 2 10 Year 3 11 Year 4 360 270 350 220 Prepare the following Double-Declining-Balance depreciation schedule by using the Excel DDB FUNCTION (fx) to calculate Depreciation Expense for Years 1-4 in the Depreciation Expense column. Enter formulas or absolute cell references for the remaining cells. SULLIVAN RANCH CORPORATION Depreciation Schedule-Double-Declining-Balance Method End of year amounts Depreciation Accumulated Book Value Expense Depreciation Year Total