The following data has been collected about Keller Company's stockholders' equity accounts: $65,000 Common stock $10 par value 13,000 shares authorized and 6,500 shares issued, 2,700 shares outstanding Paid-in capital in excess of par value, common stock Retained earnings Treasury stock 43,000 18,000 28,890 Assuming the treasury shares were all purchased at the same price, the number of shares of treasury stock is