On January 2, 2018 Archer Company, a skateboard manufacturer, installed a computerized machine in its factory at a cost of $172,400. The machine's useful life was estimated at four years or a total of 180,000 units with a $32,000 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.) o. Straight-line b. Double-declining-balance c. Units-of-production, assuming actual units produced were: 2018 Year Units 2019 4,100 2020 53,980 2021 69,000 39,600 Straight Line Double Declining Balance Units of Production Yeni 2018 2019 2920 2021 Total