Please help me answer this question.

4. Below are some accounts and their balances for a merchandising business. The ending inventory figure is $15 600. From this data, calculate the cost of goods sold figure. Accounts Balances Accounts Balances Bank $ 1 500 T. Lao, Drawings $12 000 Accounts Receivable 22 450 Sales 82 600 Merchandise Inventory 14 500 Purchases 41 300 Supplies 1 300 Advertising 1 100 Automobile 18 000 Car Expense 5 500 Equipment 22 000 Rent Expense 9 000 Accounts Payable 4 532 Utilities Expense 2 150 T. Lao, Capital 77 558 Wages Expense 13 890