January 1. The factory manager estimates the machine will produce 483,000 units of product during its life. It actually produces the following units: 122,700 in Year 1, 122,700 in Year 2, 120,800 in Year 3, 126,800 in Year 4. The total number of units produced by the end of Year 4 exceeds the original estimate-this difference was not predicted. (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. (Round 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 the Double- declining-balance. DDB Depreciation for the Period End of Period Beginning of Depreciation Depreciation Accumulated Year Period Book Book Value Rate Value Expense Depreciation 1 % S % 0 0 2 3 % 0 4 % 0 Total S 0