A machine costing $$215,600$ with a four$-$year life and an estimated $$18,000$ salvage value is installed in Luther Company's factory on

January $1.$ The factory manager estimates the machine will produce $494,000$ units of product during its life. It actually produces the

following units: $121,700$ in Year $1,123,400$ in Year $2,120,200$ in Year $3,138,700$ in Year $4.$ The total number of units produced by the end

of Year $4$ exceeds the original estimate$-$this difference was not predicted. Note: The machine cannot be depreciated below its

estimated salvage value.

Required:

Compute depreciation for each year $($and total depreciation of all years combined$)$ for the machine under each depreciation method.

Note: Round your per unit depreciation to $2$ decimal places. Round your answers to the nearest whole dollar.

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