Calculate the ending balances to update the t-accounts for the next accounting cycle. Be sure to enter all zero balances on the normal balance side and enter balances for permanent accounts! Retained Earnings Income Summary Adj. Bal. 12,200 Dec. 31 15,800 39,600 Dec. 31 7,100 Dec. 31 5,200 Dec. 31 Bal 5,100 Dec. 31 5,100 Bal Cash Service Revenue Adj. Bal. Dec. 31 Dec. 31 18,000 11,400 11,400 Supplies Expense Common Stock Adj. Bal. 52,800 Dec. 31 900 900 Dec. 31 Dividends Accounts Payable Adj. Bal. 8,400 8,400 2,300 Dec. 31 Dec, 31