A company reported the following stockholder's equity on January 1 of the current year:

Common stock, $10 par, 1,000,000 shares authorized, 400,000 shares issued	$4,000,000
Paid-in capital in excess of par, common	1,200,000
Retained earnings	1,600,000
Total stockholders equity	$6,800,000

Prepare journal entries for the following selected transactions related this company's stock during the current year:

Mar. 1	Purchased 10,000 shares of treasury stock for $17 per share.
May 5	Sold 4,000 shares of treasury stock for $16 per share.
Oct. 12	Sold 2,000 shares of treasury stock for $18 per share.