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

Shareholders equity	12/31/2018				12/31/2017
Common stock, $5 par; 25 million shares authorized; 20 million shares issued and 15 million shares outstanding at 12/31/2018; and ____million shares issued and ____shares outstanding at 12/31/2017.	$	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 12/31/2018 and 3 million shares at 12/31/2017		(77	million)			(55	million)
Total shareholders equity	$	750	million		$	579	million

How many of Levi's common shares were outstanding on 12/31/2017?

Multiple Choice

20 million.

15 million.

12 million.