Question 3 1 pts Bill Dukes has $100,000 invested in a 2-stock portfolio. $35,000 is invested in Stock X and the remainder is invested in Stock Y. X's beta is 1.50 and Y 's beta is 0.70 . What is the portfolio's beta? Question 4 1pts Taggart Inc.'s stock has a 50\% chance of producing a 25% return, a 30% chance of producing a 10% return, and a 20% chance of producing a 28% return. What is the firm's expected rate of return