Exercise 9-6 Alternative depreciation methods-straight-line, double-declining-balance, and units-of- production LO2 On January 2, 2021, Archer Company, a skateboard manufacturer, installed a computerized machine in its factory at a cost of $160,500. The machine's useful life was estimated at four years or a total of 185.000 units with a $31.000 trade-in value. Archer Company's year-end is December 31. Calculate depreciation for each year of the machine's estimated useful life under each of the following methods: (Do not round intermediate calculations.) a. Straight-line b. Double-declining-balance c. Units-of-production, assuming actual units produced were: Year Units 2021 2022 39,500 42,950 2823 53,800 2024 68,000 Year Straight Line Double-Declining-Balance Units of Production 2021 2022 2023 2024 Total