Solution

we have been given that,

Able, Baker, and Charlie are the only three stocks in an index.

The stocks sell for $72, $400, and $98, respectively.

If Baker undergoes a 3-for-2 stock split.

After split of the share of Baker  undergoes the split of 3 for2, the new price of the share after the split (which will be roughly 2/3 after the split, though not exactly) will be multiplied by 3.