When the Inflation Rate Is 4 Percent, the Bank of Canada

When the inflation rate is 4 percent, the Bank of Canada will

A) buy bonds to lower interest rates and shift the aggregate demand curve rightward.
B) sell bonds to raise interest rates and shift the aggregate demand curve leftward.
C) do nothing, since an interest rate of 4 percent is desirable.
D) sell bonds to lower interest rates and accelerate the economy.
E) buy bonds to raise interest rates and slow down the economy.