a.) Using a graph to illustrate, comment on the average nominal return of three assets (stock, market portfolio and risk-free asset) in no more than 50 words.

b.) Using a graph to illustrate, comment on the standard deviation of nominal return of three assets (stock, market portfolio and risk-free asset) in no more than 50 words.

Nominal return_stock| Nominal return_market|Nominal return_risk free asset \begin{tabular}{|c|c|c|} \hline0.014344 & 0.151829 & 0.045075 \\ \hline 0.070205 & 0.134663 & 0.031125 \\ \hline 0.393198 & 0.147601 & 0.02605 \\ \hline0.035314 & 0.006632 & 0.0275 \\ \hline0.088335 & 0.008165 & 0.023375 \\ \hline 0.054477 & 0.070071 & 0.0178 \\ \hline0.035866 & 0.078369 & 0.0177 \\ \hline0.185999 & 0.074246 & 0.0202 \\ \hline 0.023265 & 0.191439 & 0.009 \\ \hline0.082420 & 0.007086 & 0.0002 \\ \hline 0.99% & 4.02% & 2.18% \\ \hline 15.42% & 10.55% & 1.22% \\ \hline \end{tabular}