es Below are the account balances for Cowboy Law Firm at the end of December. Accounts Cash Salaries expense Accounts payable Retained earnings Utilities expense Supplies Service revenue Common stock Expenses: Balances $4,100 1,550 2,100 4,550 1,200 Required: Use only the appropriate accounts to prepare an income statement. COWBOY LAW FIRM Income Statement For the Period Ended December 31 Total expenses 12,500 8,000 4,700 $ 0 0