If Treasury bills are currently paying 2.84 percent and the inflation rate is 1.63 percent, what is the approximate real rate of interest? The exact real rate? 1.21 percent; 1.19 percent 1.21 percent; 1.20 percent 1.20 percent; 1.21 percent 1.19 percent; 1.20 percent 1.19 percent; 1.21 percen