The 30-day T-bill yield is currently 3.10%. You also know that the inflation premium today is 1.80%, the liquidity premium is 0.25%, the maturity risk premium is 0.33% for bonds with 5 years to maturity, and the default risk premium on corporate bonds is averaging about 2.07%. What is the real risk-free rate of return? 0.51% 1.05% 1.15% (D) 1.30% (E) 2.25%