Consider the three stocks in the following table. Prepresents price at time t, and Q, represents shares outstanding at time Stock C splits two for one in the last period. A B c Pe 215 110 220 Qe 120 240 240 P: 120 205 230 Os 120 240 240 120 185 120 92 120 240 480 Calculate the first-perlod rates of return on the following indexes of the three stocks (** O to r= 1) (Do not round Intermediate calculations. Round your answers to 2 decimal places.) o. A market-value-weighted index Rate of return b. An equally weighted index Rate of retum