An Index Is Made Up of Stock X, Stock Y

An index is made up of Stock X, Stock Y, and Stock Z. The prices of the three stocks are $32, $97, and $53. If Stock Y undergoes a 2-for-1 stock split, what is the new index divisor?

A) 2.38133
B) 2.01364
C) 2.65873
D) 2.20055
E) 2.43150