The following data has been collected about Keller Company's stockholders' equity accounts:

Common stock $10 par value 13,000 shares authorized and 6,500 shares issued, 2,700 shares outstanding	$65,000
Paid-in capital in excess of par value, common stock	43,000
Retained earnings	18,000
Treasury stock	28,890

Assuming the treasury shares were all purchased at the same price, the number of shares of treasury stock is: