You read in The Wall Street Journal that 30-day T-bills are currently yielding 6%. Your brother-in-law, a broker at Safe and Sound Securities, has given you the following estimates of current interest rate premiums: Inflation premium = 3.25% Liquidity premium = 1% Maturity risk premium = 2.3% Default risk premium = 2.3% On the basis of these data, what is the real risk-free rate of return? Round your answer to two decimal places.