why we get 1.5 ?

Weighted-Average Shares Outstanding Date Share Chinges Shares January 1 March 1 Beginning belance Issued 20,000 shares for cash 100,000 20,000 120,000 June 1 60,000 additional shares (50% stock dividend) 60,000 180,000 30,000 210,000 Novenber 1 Issued 30,000 shares for cash Dacember 31 Ending hs Weighted Dates Fraction Shares Outstanding Outstanding Restatementof YearA BxC Jan. 1-Mar. 1 Mar. 1-June 1 June 1-Nov. 1 Nov. 1-Dec. 31 100.000 120.000 180,000 210.000 1.50 1.50 2/12 3/12 5/12 2/12 25,000 45,000 75,000 35.000 Weighted-uverage number of shares cutstanding 100,000 Lo4