someone please help asap my last problem i cant figure it out

The inflation rate is expected to be 3.2% per year for the next two years and 3.8% per year thereafter. If the real interest rate is 2.4% per year, what is the yield on two- year Treasury securities? 1) 6.2% 2) 5.6% 3) 5.8% 4) 5.2% 5) 7.0%