What Is the Portfolio Variance If 30% Is Invested in Share

Multiple Choice

What is the portfolio variance if 30% is invested in share S and 70% is invested in share T?
$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$ Returns if
$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$ State Occurs
$\begin{array}{|l|l|l|l|}\hline \text { State of Economy } & \text { Probability of State of Economy } & \text { ShareS } & \text { Share T } \\\hline \text { Boom } & 40 \% & 12 \% & 20 \% \\\hline \text { Normal } & 60 \% & 6 \% & 4 \% \\\hline\end{array}$

A) .002220
B) .004056
C) .006224
D) .008080
E) .098000