Consider the three stocks in the following table. Pt represents price at time t, and Qt represents shares outstanding at time t. Stock C splits two-for-one in the last period. le 100 A B C Pe 97 57 114 P1 102 52 124 01 100 200 200 P2 102 52 62 02 100 200 400 200 200 Calculate the first-period rates of return on the following indexes of the three stocks: (Do not round intermediate calculations. Round your answers to 2 decimal places.) a. A market value-weighted index Rate of return % b. An equally weighted index Rate of return %