Need some help with these questions, thanks!

Question 1 1| Which monetary policy implementation tool is the primary tool the Fed uses to steer the federa funds rate into the FOMC's target range? 0 Interest on reserve balances 0 Open market operations 0 Overnight reverse repurchase agreement facility 0 Discount rate Question 2 1| Which monetary policy tool is a supplementary tool that sets a oor for the federal funds rate? 0 Overnight reverse repurchase agreement facility 0 Open market operations 0 Interest on reserve balances 0 Discount rate