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

30) Which of the following are NOT duties of the Board of Governors of the Federal Reserve System? Select one: a. Setting the maximum interest rates payable on certain types of time deposits under Regulation Q. b. Approving the discount rate "established by the Federal Reserve banks. c. Representing the United States in negotiations with foreign governments on economic matters. d. Sets the salary of the president and all officers of each Federal Reserve bank and reviews each barik's budget 31) If the Fed wants to increase money supply, it will securities to the market. Select one: a. sell; add reserves /money to b. sell; remove reserves/money from c. buy, add reserves/money to d. buy, remove reserves/money from