solve for cost of good sold

GROSS SALES (RECEIPTS) 774,520 PURCHASES OF INVENTORY FOR RESALE Beginning Inventory 1/01/20 Ending Inventory 12/31/2020 552,856 210,585 215,580 SALARIES PAID OFFICE EXPENSE ADVERTISING PAYROLL TAXES SALES TAXES PAID REPAIRS ON VEHICLES UTILTIES TELEPHONE MORTGAGE INTEREST EXPENSE Depreciation Expense 65,000 14,000 21,250 5,200 31,250 24,520 12,521 2,542 9,125 11,500 Solve for cost of Goods sold