Answer:
shares 1,714,250
Step-by-step 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 3-1 1,377,000 1 1377000
01-feb 378000 0.917 346,500
01-mar 175500 0.833 146,250
01-may -303000 0.667 -202,000
01-jun STOCK SPLIT
01-oct 62,000 0.75 46,500
1,714,250