Consider the three stocks in the following table. Pt represents price at time t, and ot represents shares outstanding at time t. Stock C splits two-for-one in the last period. Po 94 54 108 Op 100 200 200 P1 99 49 118 01 100 200 200 P2 99 49 59 02 100 200 400 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 value-weighted index Rate of return b. An equally weighted index Rate of return