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

20) Which of the following is NOT one of the measures the Federal Reserve has been taking since the COVID19 Pandemic Select one: a. Bought billions of treasury bills b. Bought billions of mortgage backed securities C. Issued a $1.200 personal check to help families affected by COVID 19 d. Issued Swap Lines to central banks around the world 21) Which of the following is NOT true regarding Federal funds rate and discount window Select one: a. Discount rate is higher than Federal funds rate most of the time so to discourage banks from borrowing from the central bank. b. Discount rate can't be set by the Federal Reserve as it is determined by the market supply and demand. c. Announcement from FOMC meetings showed that our interest rate will stay at a very low level for the near future. d. Discount rate has been reduced to equal to the upper limit of the Federal funds rate during the pandemic