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 86 100 91 100 91 100 B 46 200 41 200 41 200 C 92 200 102 200 51 400 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 valueweighted index. Rate of return % b. An equally weighted index. Rate of return %