The excel spreadsheet provides you data from Exhibit 3 and a portion of Exhibit 4. Use Excel functions and the relevant formula and show how to obtain the data in the portion of Exhibit 4a for Portfolios 1, 2, and 3.

A Portion of Exhibit 4 \begin{tabular}{|c|c|c|rr|r|} \hline & & & \multicolumn{3}{|c|}{ Mix of Portfolio } \\ \cline { 4 - 6 } Portfolio & Expected Ret. & Stdev & US Equity & Foreign Equity & Bonds \\ \hline 1 & 9.95% & 9.91% & 0.26 & 0.37 & 0.37 \\ \hline 2 & 9.56% & 10.20% & 0.45 & 0.11 & 0.44 \\ \hline 3 & 9.81% & 9.79% & 0.22 & 0.39 & 0.39 \\ \hline \end{tabular} A Portion of Exhibit 4 \begin{tabular}{|c|c|c|rr|r|} \hline & & & \multicolumn{3}{|c|}{ Mix of Portfolio } \\ \cline { 4 - 6 } Portfolio & Expected Ret. & Stdev & US Equity & Foreign Equity & Bonds \\ \hline 1 & 9.95% & 9.91% & 0.26 & 0.37 & 0.37 \\ \hline 2 & 9.56% & 10.20% & 0.45 & 0.11 & 0.44 \\ \hline 3 & 9.81% & 9.79% & 0.22 & 0.39 & 0.39 \\ \hline \end{tabular}