The following partial information is taken from the comparative balance sheet of Levi Corporation Shareholders' equity Common stoc, $5 par; 33 million shares authorized; 28 million shares issued and 23 million shares outstanding at 12/31/2018; and illion shares issued and shares outstanding at 12/31/2017. Additional paid-in capital on common stock Retained earnings Treasury common stock, at cost, 5 million shares at 12/31/2018 and 2 million shares at 12/31/2017 Total shareholders' equity 12/31/2018 12/31/2017 $140 million 520 million 195 million $115 million 403 million 157 million (79 million (46 million) $776 million $629 million What was the average price of the additional treasury shares purchased by Levi during 2018? (Round your answer to 2 decimal pleces.) Multiple Choice $15.80 per share. None of these answer choices are correct