The FED's monetary policy option for ending severe demand-pull inflation include:

a) increasing interest rate, decreasing the reserve ratio, or both.

b) increasing the reserve ratio, selling bonds on the open market, or both.

c) decreasing the reserve ratio, decreasing interest rates, or both.

d) decreasing the reserve ratio, buying bonds on the open market, or both.

e) decreasing the discount rate, selling bonds on the open market, or both