Consider the three stocks in the following table Perepresents price at time and at represents shares outstanding at time Stock C splits two for one in the last period CO 155 310 310 B 145 235 270 mi P1 150 130 278 01 155 310 310 150 130 110 R2 255 310 620 Calculate the first-period rates of return on the following indexes of the three stocks (0 to 1 (Do not round Intermediate calculations Round your answers to 2 decimal places.) o. A market value weighted index Rate of retum b. An equally weighted index