Suppese you are the money manager of a 54.18 milion investment fund. The fund consists of four stocks with the following investments and betas: \begin{tabular}{ccc} Stock & Investment & Beta \\ \hline A & 5240,000 & 1.50 \\ B & 500,000 & (0.50) \\ C & 1,240,000 & 1.25 \\ D & 2,200,000 & 0.75 \end{tabular}