i need help with this please

Consider a hypothetical price-weighted index created using the three stocks below: Stock Price before split Price after split Outstanding Shares (mil) before split Outstanding Shares (mil) after split $10 $10 400 400 Y $40 $40 100 100 Z N $200 $50 10 40 Yesterday before market close, Stock Z has completedla 4-for-1 split . Prices before and after the split are listed above. Before the split, you were holding 100 shares of each of the stocks After Stock Z's 4-for-1 split, you realize that you need to adjust the portfolio so that it can stay price- weighted. To do so, you will need to [ Select) ["buy" "sell) [ Select ["20" 1301 9507 shares of Stock X [ Select ["buy "sell" | Select] 1115 200 301 shares of Stock Y and Select ] ["buy", "sell") [ Select ["30" 40", "60" shares of Stock Z Right before Stock Z's split, the divisor of the price weighted index is 3. After the split, the new divisor is L Select (12) 2611342