Below are the account balances for Cowboy Law Firm at the end of December. Accounts Balances $ 5, 200 Cash Salaries expense 2,100 3,200 3,800 1,000 13,600 9,100 5,800 Accounts payable Retained earnings Utilities expense Supplies Service revenue Common stock Required: Use only the appropriate accounts to prepare an income statement. COWBOY LAW FIRM Income Statement For the Period Ended December 31 Expenses: Total expenses