Consider the three stocks in the following table, Pt represents price at time t, and oe represents shores outstanding at time t Stock C splits two for one in the last period. Caiculate the first.period rates of retum on the following indexes of the three stocks (t=0 to t=f) : (Do not round intermediate calculations. Round your answers to 2 decimal places.) a. A market-value-weighted index. b. An equally weighted index