Please help

Required information The following information applies to the questions displayed below) The equity sections for Atticus Group at the beginning of the year (January 1) and end of the year (December 31) follow. Stockholders' Equity (January 1) Common stock-$4 par value, 100,000 shares authorized, 40,000 shares issued and outstanding $ 160,000 Paid-in capital in excess of par value, common stock 120,000 Retained earnings 320,000 Total stockholders' equity $ 600,000 Stockholders' Equity (December 31) Common stock-$4 par value, 100,000 shares authorized, 47, 400 shares issued, 3,000 shares in treasury Paid-in capital in excess of par value, common stock Retained earnings ($30,000 restricted by treasury stock) Less cost of treasury stock Total stockholders' equity $189,600 179,200 400,000 768,800 (30,000) $738,800 The following transactions and events affected its equity during the year Jan. 5 Declared a $0.50 per share cash dividend, date of record January 10. Mar. 20 Purchased treasury stock for cash. Apr. 5 Declared a $0.50 per share cash dividend, date of record April 10. July 5 Declared a $0.50 per share cash dividend, date of record July 10. July 31 Declared a 200 stock dividend when the stock's market value was $12 per share. Aug. 14 Issued the stock dividend that was declared on July 31. Oct. 5 Declared a $0.50 per share cash dividend, date of record October 10. 4. What is the per share cost of the treasury stock purchased? Cool per than