The following partial information is taken from the comparative balance sheet of Levi Corporation:

Shareholders equity	12/31/2016	12/31/2015
Common stock, $5 par value; 25 million shares authorized; 20 million shares issued and 15 million shares outstanding at 12/31/2016; and ____million shares issued and ____shares outstanding at 12/31/2015.	$100 million	$75 million
Additional paid-in capital on common stock	525 million	397 million
Retained earnings	202 million	162 million
Treasury common stock, at cost, 5 million shares at 12/31/2016 and 3 million shares at 12/31/2015	(77 million)	(55 million)
Total shareholders equity	$750 million	$579 million

How many of Levi's common shares were outstanding on 12/31/2015?

None of these answer choices is correct.

15 million.

12 million.

20 million.