the following questions: Describe expansionary and contractionary monetary policy and explain how these policies may affect aggregate demand. (Chapter 15). Describe the "Open Market Operation". How does the Fed use this tool of monetary policy to control money supply? (Chapter 14) Describe the Liquidity Preference Model of Interest Rate and how this model demonstrates that the interest rate is determined by the supply and demand for money. (Chapter 15). You have completed the course on Principles of Macroeconomics. With your understanding of the macroeconomic principles, describe the reason for high inflation rate consumers are experiencing. Provide at least two policies or actions of government which can lower the inflation rate