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Determinants of Interest Rates The real risk-free rate is 3%. Inflation is expected to be 4% this year, 3% next year, and then 5.5% thereafter. The maturity risk premium is estimated to be 0.0004(t1), 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. %