You own a portfolio that has $1,700 invested in Stock A and $3,050 invested in Stock B. If the expected returns on these stocks are 12 percent and 15 percent, respectively, what is the expected return on the portfolio? (Do not round your intermediate calculations.)

Stock A has a volatility of 54% and a correlation of 19% with your current portfolio. Stock B has a volatility of 37% and a correlation of 32% with your current portfolio. You currently hold both stocks. Which of the following choices below will increase the volatility of your portfolio: (i) selling a small amount of stock B and investing the proceeds in stock A, or (ii) selling a small amount of stock A and investing the proceeds in stock B? The marginal contribution to risk for stock A is%. (Round to two decimal place.)

You have $37,000 to invest in a stock portfolio. Your choices are Stock X with an expected return of 14.7 percent and Stock Y with an expected return of 7.1 percent. Your goal is to create a portfolio with an expected return of 13 percent. All money must be invested. How much will you invest in Stock X? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)

You own a portfolio that is 21 percent invested in Stock X, 36 percent in Stock Y, and 43 percent in Stock Z. The expected returns on these three stocks are 9 percent, 12 percent, and 14 percent, respectively. What is the expected return on the portfolio?