The real risk-free rate is expected to remain constant at 3% in the future, a 2% rate of inflation is expected for the next 2 years, after which inflation is expected to increase to 4% and there is a positive maturity risk premium that increases with years to maturity. Given these conditions, which of the following statements is correct?

a. The yield on a 2-year T-bond must exceed that on a 5 year t-bond

b. The yield on a 5-year Treasury bond must exceed that on a 2 year T-Bond

c. The yield on a 7-year T-bond must exceed that of a 5 year corporate bond

d. the conditions in the problem cannot all be true- they are all internally inconsistent