Below are the account balances for Cowboy Law Firm at the end of December.Accounts BalancesCash $4,300Salaries expense 1,650Accounts payable 2,300Retained earnings 4,250Utilities expense 1,000Supplies 12,700Service revenue 8,200Common stock 4,900Required:Use only the appropriate accounts to prepare an income statement.COWBOY LAW FIRMIncome StatementExpenses: Total expenses Net income