Pls help will rate

You read in The Wall Street Journal that 30-day T-bilis are currently yielding 5.7%. Your brother-in-law, a broker at Safe and Sound Securities, has given you the following estimates of current interest rate premiums: - Inflation premium =2.50% - Uquidity premium =0.3% - Maturity risk premium =2.30% - Default risk premium =2.30% On the basis of these data, what is the real risk-free rate of return? Round your answer to two decimal places