Comparing Three Depreciation Methods

a residual value of $$35,200.$ The equipment was used for $2,400$ hours during Year $1,1,860$ hours in Year $2,$ and $1,740$ hours in Year $3.$

Required:

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