Please help with C. A & B are correct.

Consider the three stocks in the following table. t represents price at time t, and Qt represents shares outstanding at time t. Stock C splits two for one in the last period. a. Calculate the rate of return 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. Calculate the new divisor for the price-weighted index in year 2. (Do not round Intermedlate calculations. Round your answer to 2 decimal places.) c. Calculate the rate of return for the second period (t=1 to t=2 ). (Round your answer to 2 declmal places.)