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 note s 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 inter est rates?