Not sure how to get these numbers. Please help.

The general ledger of Zips Storage at January 1, 2021, includes the following account balances: Credits Debits $ 26,600 17,400 16,000 168,000 Accounts Cash Accounts Receivable Prepaid Insurance Land Accounts Payable Deferred Revenue Common Stock Retained Earnings Totals $ 8,700 7,800 163,000 48,500 $ 228,000 $ 228,000 The following is a summary of the transactions for the year: 1. January 9 Provide storage services for cash, $154,100, and on account, $62,200. 2. February 12 Collect on accounts receivable, $53,500. 3. April 25 Receive cash in advance from customers, $14,900. 4. May 6 Purchase supplies on account, $13,200. 5. July 15 Pay property taxes, $10,500. 6. September 10 Pay on accounts payable, $13,400. 7. October 31 Pay salaries, $143,600. 8. November 20 Issue shares of common stock in exchange for $47,000 cash. 9. December 30 Pay $4,800 cash dividends to stockholders. Insurance expired during the year is $9,000. Supplies remaining on hand at the end of the year equal $4,900. Provide services of $13,800 related to cash paid in advance by customers. 13 December 31 Service Revenue 216,300 Retained Earnings 216,300 14 December 31 105,900 Retained Earnings Salaries Expense 105,900