The Torre Company has the following stockholders' equity account balances in stockholders equity on December 31. Common Stock-$5 par, 500,000 shares authorized $360,000 Paid-In Capital in Excess of Par-Common Stock 680,000 Preferred Stock - $100 par, 100,000 shares authorized 580,000 Paid-In Capital in Excess of Par-Preferred 150,000 Retained Earnings 220,000 Treasury Stock (cost-$10 per share) 70,000 How many shares of common stock are outstanding?