Prior to 2007, the Fed controlled the federal funds rate by buying and selling government bonds in the open market. Today, it does so by setting several interest rates: the interest rate on reserves, the interest rate on overnight reverse repurchase agreements, and the discount rate. Under the previous approach, the Fed controlled the federal funds rate by influencing _____. Under the current approach, it controls the federal funds rate by influencing _____. Group of answer choices quantities; prices prices; quantities quantities; quantities as well prices; prices as well