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. Pe e P1 01 P2 22 A 95 180 180 10 18 180 8 85 280 80 20 80 200 C 170 200 180 20 95 400 Calculate the first-period rates of return on the following indexes of the three stocks (t O tot1:(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