I know these are the correct entry titles, but I need help on the amounts.

Required information (The following information applies to the questions displayed below) Wardell Company purchased a mainframe on January 1, 2019, at a cost of $56,000. The computer was depreciated using the straight-line method over an estimated five year life with an estimated residual value of $8,000. On January 1, 2021 the estimate of useful life was changed to a total of 10 years, and the estimate of residual value was changed to $2,000. 2. Prepare the year-end journal entry for depreciation in 2021. Assume that the company uses the sum-of-the-years-digits method instead of the straight-line method. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field. Do not round intermediate calculations. Round your final answers to nearest whole dollar.) View transaction list Journal entry worksheet 1 Record depreciation expense for 2021. Note: Enter debits before credits Event Debit Credit 1 General Journal Depreciation expense Accumulated depreciation computer