The stockholders' equity section of a balance sheet at December 31, 2015 is provided below:

Common stock, $0.50 par value	$10,000
Paid-in capital in excess of par--common stock	40,000
	Total capital stock	50,000
Retained earnings	25,000
Less: Treasury stock (at cost, $20 per share)	< 2,000>
	Total Stockholders' Equity	$73,000

How many shares of stock are issued?

	18,000
	19,800
	20,000
	20,200