\fOn April 1, 2021, Parks Co. purchased machinery at a cost of $42,000. The machinery is expected to last 10 years and to have a residual value of $6,000. Required: Prepare the journal entries to record 2021 depreciation and the sale of the equipment. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.) View transaction list Journal entry worksheet Record the sale of office equipment on September 30, 2021. Note: Enter debits before credits. Event General Journal Debit Credit 2 Record entry Clear entry View general journal