The equity sections from Atticus Groups 2013 and 2014 year-end balance sheets follow.Stockholders Equity (December 31, 2013)Common stock$4 par value, 100,000 shares

authorized, 40,000 shares issued and outstanding$160,000Paid-in capital in excess of par value, common stock120,000Retained earnings320,000Total stockholders equity$600,000Stockholders Equity (December 31, 2014)Common stock$4 par value, 100,000 shares

authorized, 47,400 shares issued, 3,000 shares in treasury$ 189,600Paid-in capital in excess of par value, common stock179,200Retained earnings ($30,000 restricted by treasury stock) 400,000 768,800Less cost of treasury stock (30,000)Total stockholders equity$ 738,800

The following transactions and events affected its equity during year 2014.Jan.5Declared a $0.50 per share cash dividend, date of record January 10.Mar.20Purchased treasury stock for cash.Apr.5Declared a $0.50 per share cash dividend, date of record April 10.July5Declared a $0.50 per share cash dividend, date of record July 10.July31Declared a 20% stock dividend when the stocks market value is $12 per share.Aug.14Issued the stock dividend that was declared on July 31.Oct.5Declared a $0.50 per share cash dividend, date of record October 10.

How do you figure out common shares?