Which of the following statements about indexes is true? a. Companies with the highest market capitalizations have the most influence on a value weighted index. O b. If a company in an unweighted index has a stock split, the divisor must be recalculated. O c. If the divisor of a value-weighted index is not adjusted for stock splits, the index will have discontinuous segments. O d. Companies with the highest market capitalizations have the most influence on a price-weighted index