Please provide correct answer as My semester is at risk. Thanks in advance.

Consider the three stocks in the following table. Pt represents price at time t, and Qt represents shares outstanding at time t. Stock C splits two for one in the last period. 1. Calculate the rate of return on a price-weighted index of the three stocks for the first period (t=0 to t=1). 2. What must happen to the divisor for the price-weighted index in year 2 ? 3. Calculate the rate of return for the second period (t=1 to t=2)