Consider the three stocks in the following table. Pe represents price at time t, and Qe represents shares outstanding at time z Stock C splits two for one in the last period. Stock Pe Qe P1 Q1 P2 Q2 A 145 155 150 155 150 155 B 135 310 130 310 130 310 C 270 310 280 310 140 620 Required: Calculate the first-period rates of return on the following indexes of the three stocks (= 0 to 1): Note: Do not round intermediate calculations. Round your answers to 2 decimal places. a. A market-value-weighted index. b. An equally weighted index. a. Rate of return b. Rate of return % %