help please and thank you

The real risk-free rate is 2.80%, inflation is expected to be 4.40% this year, and the maturity risk premium is zero. Ignoring ar cross-product terms, i.e, if averaging is required, use the arithmetic average, what is the equilibrium rate of return on a 1 year Treasury bond? a. 2.929 b. 3.60% c. 2.80% d. 7.20% e. 5.80%