Exercise 1-6A Prepare an income statement (L01-3) 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 Balances $ 3,700 1,350 1,700 4,550 1.000 12,100 7,600 4,300 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