Financial SectorKey Concept Questionsanswer each of the following in your own words. What are the three functions of money? Why might the money multiplier overstate the changes in the money supply? How is a state of disequilibrium restored to equilibrium in the money market? What can shift the demand for money? What can shift the money supply? What is the purpose of monetary policy? (Include in your response what parts of GDP are affected.)Module Note Guide 4