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. Po 50 45 90 B le 60 120 120 P1 60 35 95 P2 60 01 60 120 120 Q2 60 120 240 35 50 Calculate the first-period rates of return on the following indexes of the three stocks (t = 0 to t= 1): (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 % %