Determine whStep 1/2 Here first find money multiplier using below formula : Step 2/2 Change in money supply when change in reserve by -$80 million : Here now find change in reserve Final answer Answer : A) Money multiplier is 6.67. B) Change in money supply is -$533.33 million. C) change in reserve is $60 million.ich of the Federal Reserve entities controls each of the following policy tools. a. The reserve requirement is determined by the: multiple choice 1 12 Federal Reserve Banks. New York Federal Reserve Bank. Federal Open Market Committee. Board of Governors. b. Open market operations are determined by the: multiple choice 2 12 Federal Reserve Banks. New York Federal Reserve Bank. Board of Governors. Federal Open Market Committee