Problem 2-12 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. - A B C Po 115 110 220 eo P1 ll P2 120 120 120 120 240 105 240 105 240 230 240 120 l2 120 240 480 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. Rate of return % b. An equally weighted index. Rate of return