Stock Y has a beta of 95 and an expected return of 1580 percent Stock Z has a beta of 90 and an expected return of 7 percent if the risk-free rate is 6.0 percent and the market risk premium is 9.8 percent, what are the reward-to-risk ratios of Y and Z? (Do not round intermediate calculotions. Enter your onswers as a percent rounded to 2 decimol places.)