Swifty Company purchased a new plant asset on April 1, 2020, at a cost of $720,000. It was estimated to have a service life of 20 years and a salvage value of $58,500. Swifty' accounting period is the calendar year. Compute the depreciation for this asset for 2020 and 2021 using the sum-of-the-years'-digits method. (Round answers to O decimal places, e.g. 45,892.) Depreciation for 2020 $ AA Depreciation for 2021 $ e Textbook and Media Compute the depreciation for this asset for 2020 and 2021 using the double-declining-balance method. (Round answers to 0 decimal places, e.g. 45,892.) Depreciation for 2020 $ Depreciation for 2021 $