You own a portfolio of two stocks, X and Y. Stock X is valued at $3,200 and has an expected return of 15 percent. Stock Y is valued at $2,600 has an expected return of 7 percent. What is the expected return on the portfolio? O 11.41% O 11% 10.59% A stock has a beta of 0.7 and a standard deviation of 5.8 percent. The market rate of return is 10.1 percent and the U.S. Treasury bill is providing a 4.1 percent return. What is the expected return on the stock? O 8.81% O 11.17% O 8.30% XYZ stock has a beta of 2 and a standard deviation of 8 percent. The market rate of return is 12 percent and the U.S. Treasury bill is providing a 3 percent return. What is the expected return on the stock? O 27% O 21% O 16% Stock XY has a beta of 1.8. The market risk premium is 9 percent, the risk-free rate is 2 percent and inflation is 2.8 percent. What is the expected return on this stock? O 18.2% O 19% O 14.6%