what is the SML reward-to-risk percentage?

Stock Y has a beta of 1.2 and an expected return of 14.5 percent. Stock Z has a beta of .7 and an expected return of 9.3 percent. If the risk-free rate is 5.6 percent and the market risk premium is 6.6 percent, the reward-to-fisk \begin{tabular}{|l|l|l|l|l|} \hline ratios for Stocks Y and Z are & & 7.42 & and & 5.29 \\ \hline the SML. reward-to-risk is & percent, respectively. Since & Stock Y is & overvalued & and Stock Z is \\ \hline (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) \\ \hline \end{tabular}