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; 34 million shares authorized; 29 million shares issued and 22 million shares outstanding at 12/31/2018; and ____million shares issued and ____shares outstanding at 12/31/2017.	$	145	million		$	110	million
Additional paid-in capital on common stock		521	million			392	million
Retained earnings		194	million			158	million
Treasury common stock, at cost, 7 million shares at 12/31/2018 and 3 million shares at 12/31/2017		(80	million)			(45	million)
Total shareholders equity	$	780	million		$	615	million

What was the average price of the additional treasury shares purchased by Levi during 2018? (Round your answer to 2 decimal places.)