Problem
On January 1, 2021, Wilkinson Corporation had 480,000 shares of common stock outstanding. During 2021, it had the following transactions that affected the common stock account:
February 1 Issued 120,000 shares
March 1 Issued a 10% stock dividend
May 1 Acquired 100,000 shares as treasury stock
June 1 Issued a 3 for 1 stock split
October 1 Reissued 60,000 shares of treasury stock
Task
Determine the weighted average number of shares outstanding for 2021.