Shares #
V 68
W 112
X 56
Y 94
Z 45

The table shows the number of shares of each of the 5 stocks owned by Mr.Sami. If Mr. Sami was to sell 20 shares of stock X and buy 24 shares of stock Y, what would be the increase in the range of number of shares of the stock owned by Mr. Sami.

1)3
2)4
3)6
4)15
5)11