The following data has been collected about Keller Company's stockholders' equity accounts: Common stock $10 par value 12,000 shares authorized, 6,000 shares issued, and 2,800 shares outstanding Paid-in capital in excess of par value, common stock $ 60,000 42,000 17,000 Retained earnings Treasury stock 29,680 Assuming the treasury shares were all purchased at the same price, the number of shares of treasury stock is: