Why Inflation is referred as monetary phenomena. explain using graphs

The economy of Macro Island is described by the quantity equation with constant velocity. All residents of Macro Island understand the quantity theory and use it to form their expectations of inflation. Real income grows at a steady 2 percent per year, and the nominal interest rate is 5 percent. In one year, people had expected the money supply to grow by 4 percent, but in fact it grew by only 3 percent.   a. What was the inflation rate? (3% 4% 1% 2%)   b. What was the expected inflation rate? (1% 4% 3% 2%)   c. What was the ex ante real interest rate? (4% 2% 1% 3%)   d. What was the ex post real interest rate? (2% 1% 4% 3%)   e. Did the deviation of inflation from what was expected hurt creditors or debtors? ( Creditors Debtors)

What could be a real world example that explains the difference between creeping inflation, galloping inflation, and hyperinflation

Q. Explain why economists consider inflation at too high a level to be a bad thing.