Please help, question has 3 parts. Please help!

University Car Wash purchased new soap dispensing equipment that cost $270,000 including installation. The company estimates that the equipment will have a residual value of $24,000. University Car Wash also estimates it will use the machine for six years or about 12,000 total hours. Actual use per year was as follows: UNIVERSITY CAR WASH Depreciation Schedule-Straight-Line End of Year Amounts UNIVERSITY CAR WASH Depreciation Schedule-Double-Declining-Balance End of Year Amounts UNIVERSITY CAR WASH Depreciation Schedule-Activity-Based End of Year Amounts \begin{tabular}{|c|c|c|c|} \hline Year & DepreciationExpense & AccumulatedDepreciation & Book Value \\ \hline 1 & & & \\ \hline 2 & & & \\ \hline 3 & & & \\ \hline 4 & & & \\ \hline 5 & & \\ \hline 6 & & \\ \hline Total & $ & \\ \hline \end{tabular}