57. Tax revenues that rises and government expenditure that falls as national income rises, is explaining which of the following? Select one: O a. Regressive taxes introduced O b. Automatic fiscal drag c. Discretionary fiscal stabilisers O d. Automatic fiscal stabilisers 22. The central bank acts as a bank to all of the following except: Select one: O a. Consumers b. Government O c. Commercial Banks d. Overseas central banks