If Canada Reduces the Tariff Imposed on a Commodity from 10

If Canada reduces the tariff imposed on a commodity from 10 percent to 5 percent, we would expect to observe

A) a downward shift in the commodity's demand curve.
B) an increase in the amount of the commodity imported into Canada.
C) an upward shift in the commodity's demand curve.
D) an increase in Canada's terms of trade.
E) an increase in tariff revenue by the Government of Canada.