An economy is at the longrun equilibrium. Then the Central Bank announces a regulator}.r change such that banks will start paying interest on chequing accounts. I. How does this change affect the money demand? 2. 1What happens to the velocity of money? 3. If the Central Bank keeps the money supplyr constant1 what will happen to output and prices in the short run and in the long rim? Provide graphical illustration and comment. 4. If the goal ofthe Central Bank is to stabilize the price level, should the Central Bank keep the money.r supplj.P constant in response to this announcement? If not, what should it do? Why? Provide graphical illustration and comment. 5. If the goal ofthe Central Bank is to stabilize output, how will the answer in part [4] of this question change? Provide graphical illustration and comment