Which of the following does not describe some of the functions of the Federal Reserve​ Bank? A. Regulates the money supply and intervenes in foreign exchange markets. B. Acts as the​ government's fiscal​ agent, supervises banks and acts as a lender of last resort. C. Supplies the economy with fiduciary​ currency, provides a system for check clearing and holds depository​ institutions' reserves. D. Acts as a medium of​ exchange, a unit of​ accounting, a store of value and a standard of deferred payment.