Stock Y has a beta of 1.05 and an expected return of 15.55 percent. Stock Z has a beta of 0.90 and an expected return of 6 percent. If the risk-free rate is 4.0 percent and the market risk premium is 8.8 percent, what are the reward-to-risk ratios of Y and Z? Note: Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. Stock Y Stock Z Reward-to-Risk Ratio % %