Suppose the real risk-free rate is 4%, inflation is expected to be 2% next year, 2.5% the following year, and 3% the third year. The maturity risk premium is estimated to be 0.10% per year to maturity applies, i.e., MRP = 0.10%(t), where t is the number of years to maturity, hence the pure expectations theory is NOT valid. What rate of return would you expect on a 3-year Treasury security? 6.80% a. b. 6.50% 4.30% C. 7.92% d. 7.22% e