Consider the three stocks in the following table. Pt represents price at time t$,$and Qt represents shares outstanding at time t$.$A$)$ Calculate the rate of return on a price$-$weighted index of the three stocks for the first period $($t $=0$ to t $=1)$ and the second period $($t $=1$ to t $=2).$ B$)$ Calculate the rate of return on a market value$-$weighted index of the three stocks for the first period $($t $=0$ to t $=1)$ and the second period $($t $=1$ to t $=2).$