i need help with this problem om in accounting I just can't get it

here is what the question uses as a reference and how the answer should be posted:
compute the weighed average of the common shares outstanding for 2003

outstanding shares on December 31, 2002 . . . . . . . 40,000
2003
treasury stock purchase on April 1 . . . . . . . . . . . . .  4,000
issuance of new shares on June 30 . . . . . . . . . . . . . .
12,000
10% stock dividend on October 1 . . . . . . . . . . . . . .
4,800
outstanding shares on December 31, 2003 . . . . . . . 52,800
2004
issuance of new shares on July 1 . . . . . . . . . . . . . . .
16,000
treasury stock purchase on November 1 . . . . . . . . .  4,800
outstanding shares on December 31, 2004 . . . . . . . 64,000
2005
issuance of new shares on August 1 . . . . . . . . . . . . .
20,000
treasury stock purchase on September 1 . . . . . . . . .  4,000
3-for-1 stock split on October 1 . . . . . . . . . . . . . . .
160,000
outstanding shares on December 31, 2005 . . . . . . . 240,000

baj1951

CORTEZ, INC.

Part 1. Year 2003 weighted-average shares:

Outstanding Effect of Fraction Weighted
Time Period Shares Dividend of Year Average[/b]January-March
April-June
July-September
October-December
Weighted-average shares outstanding

I am sorry this doesn't look like my form but this is where the answers go Thanks so much

Fr_Chuck

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