If Canada Reduces the Tariff Imposed on a Commodity from 10

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

A) a reduction in the quantity consumed of the commodity in Canada.
B) a reduction in the quantity produced of the commodity in Canada.
C) an upward shift in the commodity's demand curve.
D) a downward shift in the commodity's demand curve.
E) an increase in quantity produced of the commodity in Canada.