Problem 12-12 Relative Valuation (LO3, CFA2) Stock Y has a beta of 0.90 and an expected return of 15.75 percent. Stock Z has a beta of 0.80 and an expected return of 8 percent. If the risk-free rate is 6.0 percent and the market risk premium is 9.6 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.) Ratio Stock Y Stock Z