Consider the following information on 3 stocks (P-price, Q-Quantity): Period Quantity Stock P. Qo P Q P2 A 40 100 50 100 40 B 100 50 90 50 100 30 200 60 200 23 Q2 100 50 600 a-) Calculate the return on i-price-weighted ii- value-weighted iii- equally-weighted index from period 0 to period 1. b-) Why are the returns so different for the same set of stocks for the same period? C-) What should the new divisor be for period 2 in calculating the price-weighted index