28. Assume that the expectations theory of the term structure of inte are invalid. If a downward sloping yield curveis observed, which of the following is a correct statement? interest rates is correct, and other term structure theories a. Investors expect interest rates to be constant over time. b. Investors expect interest rates to increase in the future. e. Investors expect interest rates to decrease in the future, d. Investors require a negative maturity risk premium. e. The inflation premium must be greater than 2 percent. 29. An investor purchased a 10-year bond that makes a $50 interest pavn based a 10-year bond that makes a 550 interest payment at the end of every six-month period until the bond matures. These interest payments represent a(an) a. perpetuity b. ordinary annuity c. annuity due d. compounded annuity e. discounted annuity