A partial list of a corporation's accounts shows the following account balances: Retained earnings, $375,000 Treasury stock—common, $20,000 Paid-in capital in excess of par value—common, $60,000 Treasury stock—preferred, $20,000 Common stock, $200,000 Preferred stock, $175,000 Paid-in capital in excess of par value—preferred, $60,000 How much is total stockholders' equity?