Below are the account balances for Cowboy Law Firm at the end of December. Accounts Balances Cash $ 4,700 Salaries expense 1,850 Accounts payable 2,700 Retained earnings 4,150 Utilities expense 1,100 Supplies 13,100 Service revenue 8,600 Common stock 5,300Required: Use only the appropriate accounts to prepare an income statement. COWBOY LAW FIRM Income Statement For the Period Ended December 31 Expenses: Total expenses