Assume that all interest rates in the economy decline from 10 percent to 9 percent. Which of the following bonds will have the largest percentage increase in price? Select one: o a. A 5-year bond with a 10% coupon. b. A 1-year bond with a 15% coupon. c. A 10-year zero coupon bond. d. A 20-year zero coupon bond. e. A 3-year bond with a 10% coupon. Assume the yield curve is flat and the T-bill rate is 5%. The market return rate is 10%. The required rate of return for Stock A is 11.3%. An investor is forming a portfolio by investing $50,000 in stock A and $25,000 in stock B. Stock B has a beta of 1.20. What is the required rate of return on the investor's portfolio? Stock Required return PRF Beta Weight A 11.3% B Select one: a. 10.7% b. 9.0% c. 6.8% d. 10.00% e. 11.20%