You hold a diversified portfolio consisting $95.000 of common stocks. The portfolio beta is equal to 1.15. It has an expected return of 10%. You are going to buy $5,000 of stock in a steel company whose beta is 2.0. Stocks for this steel company are expected to have a return of 16%. a. What will be the expected return of your portfolio after the purchase of the steel stocks? 10.3% b. What will be the beta for your portfolio after the purchase of the steel stocks? 1.19 Assume that the risk-free rate is 6% and the expected market return is 13%. What is the portfolio's required rate of return after the purchase of the steel stocks? (Hint: Use the beta in part b.) 14.33%