please answer both questions relating to the same table, thanks.

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. Calculate the rate of return of the price-weighted index for the second period (t=1 to t=2) 0% 4.17% 21.99% The first-period rate of return on a market value--weighted index is Meanwhile, the first-period rate of return on an equally-weighted index is 3.85%,1.85%,4.17%,1.85%,1.85%3.85%3.85%4.17%