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. P0 Q0 P1 Q1 P2 Q2 A 110 115 115 115 115 115 B 100 230 95 230 95 230 C 200 230 205 230 110 460 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. b. An equally weighted index.