4) The following partial information is taken from the comparative balance sheet of Levi Corporation: 12/31/2017 12/31/2018 Shareholders' equity Common stock, $5 par; 20 million shares authorized; 15 million shares issued and 9 million shares outstanding at 12/31/2018; and -million shares issued and shares outstanding at 12/31/2017. $ 45 million $ 75 million 392 million 520 million Additional paid-in capital on common stock 157 million Retained earnings 197 million Treasury common stock, at cost, 6 million shares at 12/31/2018 and 4 million shares at 12/31/2017 (72 million) (50 million) $ 720 million S 544 million Total shareholders' equity How many of Levi's common shares were outstanding on 12/31/2017? A) 14 million. B) 9 million. C) 5 million. D) None of these answer choices are correct