Stock X has an expected return of 10%, a beta coefficient of 0.9, and standard deviation of expected returns of 35%. Stock Y has an expected return of 12.5%, a beta of 1.2, and standard deviation 25%. The risk free rate is 8%, and the market risk premium is 6%. i) Calculate the required return for this portfolio, which has $17,500 invested in stock X and $12,500 invested in stock Y