Can you please provide the formula for how to solve this. Can you show the actual calculation so I can understand it.

The information contained in the table below shows the expected return and standard deviation for the market and Treasury Bills. \begin{tabular}{|l|r|r|} \hline \multicolumn{1}{|c|}{ Market Data } & Rate of Return & Standard Deviation \\ \hline Treasury Bills & 4.25% & 0.00% \\ \hline S\&P 500 & 12.00% & 21.00% \\ \hline & & \\ \hline Required: & & \\ \hline \end{tabular} Using the information in the table above and the varying risk aversions below, please calculate allocations to the risky and risk-free assets. (Use cells A5 to C6 from the given information to complete this question.)