Which of the following explains why regulating monetary policy is the Bank of Canada's most important role?

a. Regulating monetary policy ensures that financial institutions comply with government legislation. This helps to ensure public confidence in the safety and security of Canada's banking system

b. Regulating monetary policy includes the proper management of funds for the federal government and other clients

c. Regulating monetary policy controls the supply of money and credit through the bank rate and the discount rate, which enables the economy to expand while maintaining control on inflation

d. Regulating monetary policy ensures the stability of the economy and from deflation by designing secure bank notes, which hampers counterfeiters' efforts