c) The Federal Reserve has varied between its use of the money supply and interest rates as the target variable used to control economic activity in the United States. Suppose currently the Central Bank is targeting interest rates. Utilising the Money Demand and Money Supply Framework, using a graph, explain and evaluate the policy initiative employed by the Central Bank given a shift (increase and decrease respectively) of the Money Demand Curve. Cite references to support your arguments. [20 marks]