The accompanying graph shows the relationship between the average annual increase in the price level and the average annual increase in money supply across eight countries. a. What concept, related to monetary policy, does this graph help demonstrate? Ragnar Nurkse's balanced growth theory the liquidity preference model Obuffer theory convergence hypothesis monetary neutrality Lise the concept or model identified in part a to determine the long-run effect of a 30% increase in the money supply. b. In the long run, a 30% increase in the money supply will result in a 30% increase in the price level. O15% decrease in the price level. a 15% increase in the price level. to increase in the price level. O 30% decrease in the price level. Increase in price level (5) Veckram Tyndaria Harpoglia Cherhani Harnest God's Increase in money supply (5) Valko Cat Besa