Consider the three stocks in the following table. Pe represents price at time t, and er represents shares outstanding at time! Stock C splits two-for-one in the last period 971DD102 57 200 52 100 200 200 102 52 62 100 200 400 200 124 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 %