Sheridan Company purchased a new plant asset on April 1, 2020, at a cost of $732,000. It was estimated to have a service life of 20 years and a salvage value of $60,000. Sheridan' accounting period is the calendar year. (a) Compute the depreciation for this asset for 2020 and 2021 using the sum of the years' digits method. (Round answers to decimal places, eg. 45,892.) Depreciation for 2020 $ Depreciation for 2021 $