On January 1, 2021, Sandhill Corp. had 459,000 shares of common stock outstanding. During 2021, it had the following transactions that affected the Common Stock account.
February 1 Issued 126,000 shares
March 1 Issued a 10% stock dividend
May 1 Acquired 101,000 shares of treasury stock
June 1 Issued a 3-for-1 stock split
October 1 Reissued 62,000 shares of treasury stock
Required:
(a) Determine the weighted-average number of shares outstanding as of December 31, 2021.

shares         1,714,250

Explanation:

When there is a stock split is considered as it occur at the very beginning of the year therefore  all transaction before the split are multiplier by the split ratio.

The weigth is determinate by the monts remaining for the end of the year over the 12 months of the year

Date   // Shares // Weights // Weightes shares

beginning 459,000  

split 3-11,377,00011377000

01-feb3780000.917  346,500

01-mar1755000.833   146,250

01-may-303000 0.667-202,000

01-jun  STOCK SPLIT

01-oct62,0000.75     46,500

                                   1,714,250

because she sucked. : )

(but so does trump, don't @ me)