12. You own a stock portfolio invested 30 percent in Stock Q, 35 percent in Stock R, 10 percent in Stock S, and 25 percent in Stock T. The betas for these four stocks are 1.4, 0.7, 1.5, and 0.8, respectively. What is the portfolio beta? (Do not round intermediate calculations. Round your answer to 3 decimal places.)

13. Stock Y has a beta of 1.6 and an expected return of 15.51 percent. Stock Z has a beta of 0.60 and an expected return of 7 percent. If the risk-free rate is 4.0 percent and the market risk premium is 9.2 percent, what is the reward-to-risk ratio of Y? (Enter the answer to this question below. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.)

Also, are the stocks correctly priced? (you won't be able to enter the answer to this question, but think about it)