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; 23 million shares authorized; 18 million shares issued and 12 million shares outstanding at 12/31/2018; and shares issued and outstanding at 12/31/2017. $ 90 million $ 60 million additional paid-in capital on common stock 523 million 398 million retained earnings 200 million 160 million treasury common stock, at cost, 6 million shares at 12/31/2018 and 4 million shares at 12/31/2017 (73 million) (39 million) total shareholders’ equity $ 740 million $ 579 million what was the average price of the additional treasury shares purchased by levi during 2018?