What am I doing wrong on the retained earnings/repairs and maintenance expense part?

Required information The general ledger of Red Storm Cleaners at January 1, 2021, includes the following account balances: Credits Debits $17,000 7,400 3,400 12,000 Accounts Cash Accounts Receivable Supplies Equipment Accumulated Depreciation Salaries Payable Common Stock Retained Earnings Totals $ 3,800 5,800 22,000 8,200 $39,800 $39,800 The following is a summary of the transactions for the year: 1. March 12 Provide services to customers, $54,000, of which $20,400 is on account. 2. May 2 Collect on accounts receivable, $17,400. 3. June 30 Issue shares of common stock in exchange for $6,000 cash. 4. August 1 Pay salaries of $5,800 from 2020 (prior year). 5. September 25 Pay repairs and maintenance expenses, $12,400. 6. October 19 Purchase equipment for $7,400 cash. 7. December 30 Pay $1,100 cash dividends to stockholders. 9. Record closing entries. (If no entry is required for a particular transaction/event, select "No journal entry required" in the first account field.) * Answer is not complete. General Journal Credit Date December 31, 202 Service Revenue Debit 54,000 Retained Earnings 54,000 12,400 X December 31, 202 Retained Earnings Repairs and Maintenance Expense 12.400 1,100 December 31, 202 Retained Earnings Dividends 1.100