The following data has been collected about Keller Company's stockholders' equity accounts: Common stock $10 par value 18,000 shares authorized and 9,000 shares issued, 2,200 shares outstanding $90,000 Paid-in-capital in excess of par value, common stock 48,000 Retained earnings 23,000 Treasury stock 24,860 Assuming the treasury shares were all purchased at the same price, the number of shares of treasury stock is:

6,800.

23,000.

10.

90,000.

48,000.