In economics, the term "surplus" means an excess quantity supplied

The reserve ratio is 20 percent. If the Fed buys $1 million of U.S. government securities and the check is deposited in Bank A, but Bank A increases its vault cash by the entire amount, then the money supply

A) does not increase. B) increases by $800,000. C) increases by $1 million. D) increases by more than $1 million.

If unemployment benefits became more generous it would be likely to _____ frictional unemployment and _____ the natural rate of unemployment:

a. Increase; increase b. Increase; not change c. Not change; increase d. Increase; decrease