2. An analyst gathers the following data. Stock BZ splits two-for-one during the period. Stock AX Beginning of Period Price ($) Shares 20 10000 200 40 2500 End of Period Price ($) Shares 32 10000 45 42 2500 BZ 80 400 CY a. Calculate the returns on both the price-weighted index and the market value- weighted index of three stocks over the period