Supposo you have a pottlolio equally invested in four stocks. Each stock's expected return, standard devialions, and beta are in the foliowing tablo, What is your porttolid's expocted refurn? to4 \begin{tabular}{r} 8.0% \\ \hline 4.2% \\ \hline 0.08 \\ \hline 3,08 \\ \hline \end{tabular}