You read in The Wal Street Joumar that 30 -day T-bllts are currently ylelding 5.5%. Your brother-in-law, a broker at Sale and Sound Securities, has given you the following estimates of current. interest rate premlums: - infiation premium =3.00% - Liquidity premlum =0.3% - Moturity risk premium =1.55% - Defsult risk premium =2.300 On the basis of these data, what is the resi risk-free rate of retuin? Round your answer to two decimal places