-The Figure Above Shows the Market for Bank Reserves in Futureland.If

-The figure above shows the market for bank reserves in Futureland.If the Bank of Futureland undertakes an open market sale of government securities that changes the quantity of reserves by $25 billion, then the federal funds rate will ________.

A) rise to 6 percent a year
B) remain at 4 percent a year
C) fall to 4 percent a year
D) change but more information is needed to determine by how much
E) None of the above answers is correct.