Consider the three stocks in the following table. P+ represents price at time t, and qe represents shares outstanding at time. Stock C splits two for one in the last period. Pe P1 Q1 P2 A 145 155 150 155 150 155 B 135 310 138 310 130 C 270 310 275 3101 140 310 620 Calculate the first-period rates of return on the following Indexes of the three stocks (t=0 tot 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 %