PLEASE EXPLAIN AND CORRECT

The real risk-free rate is 4%. Inflation is expected to be 296 this year, 4% next year, and then 3% thereafter. The maturity risk premium is estimated to be 0.0007 x (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