On January 2, 2018. Archer Company, a skateboard manufacturer, installed a computerized machine in its factory at a cost of $179.200. The machine's useful life was estimated at four years or a total of 186,500 units with a $30,000 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 calculatione.) a. Straight-line bb. Double-declining balance c. Units-of-production, assuming actual units produced were: Year Units 2018 39.400 2010 42, 2020 53.700 2021 67.00 Year Units-of-Production Straight-Line Double-Declining-Balance 2018 2010 2020 2021 Total