Suppose the real risk-free rate is 2.50% and the future rate of inflation is expected to be constant at 4.10%. What rate of return would you expect on a 5-year Treasury security, assuming the pure expectations theory is valid? Disregard cross-product terms, i.e., if averaging is required, use the arithmetic average.

a. 5.96%

b. 5.66%

c. 5.38%

d. 6.60%

e. 6.27%