Determinants of Interest Rates The real risk-free rate is 3%. Inflation is expected to be 2% this year, 4% next year, and then 3.5% thereafter. The maturity risk premium is estimated to be 0.0007 * (t-1), where t = number of years to maturity. What is the nominal interest rate on a 7-year Treasury security? Do not round intermediate calculations. Round your answer to two decimal places. %