Consider the three stocks in the following table. Prepresents price at time t and represents shares outstanding at time Stock C splits two-for-one in the last period. 8 C Pe 95 55 110 le 100 200 200 Pi 180 50 120 0 100 200 200 P2 100 50 60 02 100 200 400 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 %