a)Calculate the excess return of the actively managed portfolio.

b) Calculate the attribution of excess return by asset allocation.

c) Calculate the attribution of excess return by security selection.

\begin{tabular}{c|c|c|c|c|} & \multicolumn{2}{|c|}{ Actively managed portfolio } & \multicolumn{2}{c|}{ Benchmark portfolio } \\ \hline Component & Weight & Return & Weight & Return \\ \hline Equity & 0.40 & 10.00% & 0.50 & 6.00% \\ \hline Bonds & 0.30 & 3.00% & 0.25 & 2.00% \\ \hline Cash & 0.30 & 1.00% & 0.25 & 1.00% \\ \hline \end{tabular}