Fill in the blanks to make the following statements correct.

a. In general, there are two approaches to implementing monetary policy. The central bank can attempt to influence __________ directly or to influence ____________ directly.

b. The Bank of Canada chooses to implement its monetary policy by influencing the _________ directly. The Bank then uses_________to to accommodate the resulting change in money demand.

c. The Bank of Canada does not try to influence the money supply directly because (1) the Bank cannot control the process of _________ carried out by the commercial banks; (2) the Bank is unsure about the change in that would result from a change in the money supply; and (3) the Bank is unsure of the position of the ___________ curve at any given time.