A machine which cost $574,000is acquired on October 1, 2020. Its estimated salvage value is $57,400and its expected life is4years.

A machine which cost $574,000 is acquired on October 1, 2020. Its estimated salvage value is $57,400 and its expected life is 4 years. Calculate depreciation expense for 2020 and 2021 by double-declining balance. (Round answers to O decimal places, e.g. 5,275.) 2020 2021 Depreciation expense $ Calculate depreciation expense for 2020 and 2021 by sum-of-the-years'-digits. (Round answers to O decimal places, e.g. 5,275.) 2020 2021 Depreciation expense $ $ At the end of 2021, which method results in the larger accumulated depreciation amount