Question# 3 (3+4+4+9 =20 points) Suppose the monetary policy curve is given by r = 1.5 + 0.757, and the IS curve is given by Y = 13 - r. a) Find the expression for the aggregate demand curve. b) Calculate aggregate output when the inflation rate is 2%, 3% and 4%. c) Plot the aggregate demand curve and identify the three points from part (b). d) What would be the effect on the aggregate demand curve of an increase in net export? Would an increase in net exports affect the monetary policy curve? Explain why or why not