a) Using working hours method how much is the depreciation expense for the year?

b) Using output method how much is the depreciation expense for the year?

Question 9 and 10: Activity method of Depreciation \begin{tabular}{|l|r|r|} \hline & Cost & 600,000 \\ \hline Salvage value & 60,000 \\ \hline Expected life in years & 5 \\ \hline Expected production in units & 700,000 \\ \hline Expected work hours & 40,000 \\ \hline Actual units produced & 120,000 \\ \hline Actual work hours & 13,000 \end{tabular}