You read in The Wall Street Journal that 30-day T-bills are currently yielding 5.5%. 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 = 0.6% Maturity risk premium = 1.8% Default risk premium = 2.15% On the basis of these data, what is the real risk-free rate of return? Round to TWO decimal places.