The following partial information is taken from the comparative balance sheet of Levi Corporation: 12/31/2018 12/31/2017 hareholders' equity Common stock, $5 par; 20 million shares authorized; 15 million shares issued and 9 million shares outstanding at 12/31/2018 and issued and shares outstanding at 12/31/2017 Additional paid-in capital on common stock Retained earnings Treasury common stock, at cost, 6 million shares at 12/31/2018 and 4 million shares at 12/31/2017 nillion shares $ 75 mi11ion 45 million 520 million 392 million 197 mil1ion 157 million (72 million) $720 mi11ion (50million) $544 million Total shareholders equity How many of Levi's common shares were outstanding on 12/31/2017 Multiple Choice None of these answer choices are correct 9 million mllion 4 million