Answer:
The definition of unfit currency, from the Federal Reserve System's Cash Product Office, is a note that is not suitable for further circulation because of its physical condition due to being torn,worn, limp.The United States is the only major reserve currency country whose monetary policy is non-negative. Furthering the Fed's problem is the market-determined yield curve. The market has decided that debt of almost all maturities should yield less than the fed funds rate.
Step-by-step explanation: