A. {10 points) Explain the differences between a target zone agreement and a xed exchange rate and between a target zone agreement and a monetary union. Provide an example of a target zone agreement, briey explain how it ended, and why, and in particular, why.r it is pretty' frequent for these arrangements to fail? B. (10 points) First. explain how a country can join the European Monetary Union. Then. explain how monetary policy is run in this currency area