Answer:
b. Making decisions regarding monetary policy
Explanation:
The answers for the blank space are in bold.
There are 7 members of FOMc board. They decide which policy interest rate should be by consider the current economic growth from GDP and unemployment. Then, they vote for the desired rate.
The mechanism on managing the rate in the market is changing money supply in the market by using open market operation. they will sell the United State treasury securities to increase the money supply, and do otherwise to increase it.