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. ABC PO Q0 P1 Q1 P2 Q2 80 100 85 100 85 100 40 80 200 35 200 35 200 200 90 200 45 400 Required: 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 % %