The following information relates to the common stock activity of the Chester Company during the year 20X1. January 1 Number of shares outstanding 10,000 shares May 1 Issued additional shares 5,000 October 1 Purchased treasury shares December 31 Number of shares outstanding 13.000 Compute the weighted average number of shares outstanding for the year 20X1. (2.000)- Assume the same information above, except on July 1, the Chester Company had a 2-for- 1 stock split. Compute the weighted average number of shares outstanding for the year 20X1