Problem A: A machine costing $350,000 with a 5-year useful life and $50,000 salvage value is installed on January 1, 2021. The manager estimates that the machine will produce 100,000 units of product during its life. It actually produces the following units during its first three years: Year 1 35,000; Year 2 30,000; Year 3 20,000. Instructions: Compute the depreciation expense, accumulated depreciation, and book value for years one through three under straight-line, units of production and double declining balance. Straight-Line Year 2021 2022 2023 Depreciation Expense Accumulated Depreciation Book Value Units of Production Year Depreciation Expense Accumulated Depreciation Book Value 2021 2022 2023 Double Declining Balance Year 2021 2022 2023 Depreciation Expense Accumulated Depreciation Book Value