Risk and Return 1. Based on the following information: a.) Calculate the expected retum and variance of a portfolio if you invested $800 in A and $200 in B b.) Calculate the correlation between 2 stock returns. \begin{tabular}{|l|l|l|} \hline Var A & Var B & Covariance \\ \hline Std Dev A & Std Dev B & \\ \hline Var Portfolio & Correlation \\ \hline Std Dov Portfolio & \\ \hline \end{tabular}