The stockholders equity section of the balance sheet for Velcro World is presented here.

VELCRO WORLD
Balance Sheet (partial)
($ and shares in thousands)
Stockholders' equity:
Preferred stock, $1 par value	$ 6,000
Common stock, $1 par value	30,000
Additional paid-in capital	1,164,000
Total paid-in capital	1,200,000
Retained earnings	288,000
Treasury stock, 11,000 common shares	(352,000)
Total stockholders' equity	$ 1,136,000

What was the average cost per share of the treasury stock acquired?