If the economy is experiencing an undesired inflationary gap, the Bank of Canada could...

a. Increase the supply of money, lowering interest rates, which would shift the AD curve outward.

b. Decrease the demand for money, lowering interest rates, which would shift the AD curve outward.

c. Increase the supply of money, lowering interest rates, which would shift the AD curve inward.

d. Decrease the supply of money, raising interest rates, which would shift the AD curve inward.

e. Shift the investment demand curve to the right by lowering interest rates, which would shift the AD curve outward.