Problem 13-19 Reward-to-Risk Ratios [LO4] Stock Y has a beta of 1.4 and an expected return of 15.2 percent. Stock Z has a beta of 7 and an expected return of 91 percent. What would the risk-free rate have to be for the two stocks to be correctly priced? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)