(7) stuck on this one

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. The following transactions and events affected its equity during the year. January 5 Declared a $0.40 per share cash dividend, date of record January 10. March 20 Purchased treasury stock for canh. Apri1 5 Declared a $0.40 per share cash dividend, date of record Apri1 10. July 5 Declared a $0.40 per share cash dividend, date of record July 10. July 31 Declared a 208 stock dividend when the stock's market value was $10 per share. August 14 Issued the stock dividend that was declared on July 31. october 5 Declared $5.40 per share cash dividend, date of record Oetober 10. Required: 1. How many common shares are outstanding on each cash dividend date