in the following tablo. P represents price at time t, and Q ropresents shares outstanding at time t Stock C spilts two-for-one in the last period 96 56 112 200 122 200 61 400 100 200 101 51 100 101 51 100 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-%