Stock Y has a beta of 1.05 and an expected return of 13 percent. Stock Z has a beta of 0.70 and an expected return of 9 percent. If the risk-free rate is 5 percent and the market risk premium is 7 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 %