Suppose a central bank purchases $30 million worth of bonds from the public and the required reserve ratio in this country is 7.5 percent. Part A (2 points) What is the smallest possible increase in the money supply? Explain. Part B (3 points) What is the largest possible increase in the money supply that could result. Show your work for full points. Part C (5 points) Suppose you will be an intern to the governor of the Bank of Canada during your summer break. The governor, Mr. Tiff Macklem, wants to check your Macroeconomics knowledge before you start. Explain to Mr. Macklem two tools he may use to increase the money supply in Canada during the current recession. Be sure to explain how the tools work to increase the money supply