Consider the three stocks in the following table. Prepresents price at time, and C splits two for one in the last period represents shares outstanding at time t. Stock A B C PO 130 120 240 DO 135 270 270 PL 140 115 250 O 135 270 270 P2 140 115 125 02 135 270 540 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 %