How will the following situations affect Canada's exports, imports, and balance of trade?

a. Canadians find American goods and services (but not those from Canada) less attractive to purchase (Click to select) does not affect decreases increases Canada's exports, (Click to select) does not affect decreases increases Canada's imports, and has a (Click to select) zero positive negative effect on Canada's balance of trade.

b. Americans (but not Canadians) find Canadian goods and services more desirable to purchase (Click to select) does not affect decreases increases Canada's exports, (Click to select) does not affect increases decreases Canada's imports, and has a (Click to select) zero negative positive effect on Canada's balance of trade.

c. Canadians find American goods and services (but not those from Canada) more attractive to purchase (Click to select) increases does not affect decreases Canada's exports, (Click to select) decreases does not affect increases Canada's imports, and has a (Click to select) positive zero negative effect on Canada's balance of trade.

d. A recession in the American economy but not the Canadian economy (Click to select) decreases does not affect increases Canada's exports, (Click to select) does not affect decreases increases Canada's imports, and has a (Click to select) negative zero positive effect on Canada's balance of trade.