Stock Y has a beta of 1.00 and an expected return of 15.70 percent. Stock Z has a beta of 70 and an expected return of 9 percent. If the risk-free rate is 60 percent and the market risk premium is 9.4 percent, what are the reward-to-risk ratios of Y and Z? (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) Reward-to-Risk Ratio Stock Y Stock Z