How would I solve this using all 3 methods of depreciation?

A machine costing $209.400 with a four-year life and an estimated $17000 salvage value is installed in Luther January 1. The factory mana following units: 122,200 in 1st year, 122600 in 2nd year, 120,000 in 3rd year, 126,200 in 4th year. The total number of units produced ger estimates the machine will produce 481,000 units of product during its life. It actually produces the estimate-this difference was not predicted. (The machine must not be depreciated below its estimated salvage value) Required: (Round year (and total depreciation of all years combined) for the machine under each depreciation method your per unit depreciation to 2 decimal places. Round your answers to the nearest whole dollar) Complete this question by entering your answers in the tabs below. Straight Line Units of Production DDB Compute depreciation for each year (and total depreciation of all years combined) for the machine under each Straight-line Year Total S