A machine costing $$257,500$ with a four$-$year life and an estimated $$20,000$ salvage value is installed in Luther Company$$s factory on January $1.$ The factory manager estimates the machine will produce $475,000$ units of product during its life. It actually produces the following units: $220,000$ in Year $1,124,600$ in Year $2,121,800$ in Year $3,$ and $15,200$ in Year $4.$ The total number of units produced by the end of Year $4$ exceeds the original estimate$$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. striaght line, units of productions, double declining balance