please do both questions and explanation for the like and thumps up.

7) Federal Reserve independence is thought to a Select one: a. Introduce a short-term bias to monetary policymaking and create political business cycles. b. strongly concentrate of power in the hands of a few people who are incapable. O c. introduce longer-run considerations to monetary policymaking. d. do both A and B of the above. Clear my choice B) Among the three tools that Fed use to perform monetary policy, which are the most popular one? Select one: a. Reserve requirement b. Discount window c. Opon Market operation d. only B&C of the above . All of the above