What would make a Federal Reserve Note unfit?

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.

Explanation:

for the points : )

explanation:

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.