help with 9 asap

Consider the three stocks in the following table. ]t represents price at time t, and t represents shares outstanding at time t Stock C splits two-for-one in the last period. Required: a. Calculate the rate of retum on a price-weighted index of the three stocks for the first period (t=0 to t=1 ). (Do not round intermediate calculations. Round your answer to 2 decimal places.) b. What will be the divisor for the price-weighted index in year 2? (Do not round intermediate calculations. Round your answer to 2 decimal places.) c. Caiculate the rate of return of the price-weighted index for the second period (t=1 to t=2)