4. Currently the yield on 1-year bills is 4%. The consensus expectation is that next year 1-year bills will yield 3%, and the year following 2%. a. If the pure expectations model of interest rates applies, what do 2-year notes now yield? b. What do 3-year notes now yield? c. Based on your answers, what does the slope of the yield curve tell you about market expectations for the future course of short-term interest rates