The Diagram Below Shows the (Hypothetical)demand and Supply Curves for Regional

The diagram below shows the (hypothetical) demand and supply curves for regional jets in Canada.Assume that the market is competitive,all jets are identical,and that Canada engages in international trade.
FIGURE 33- 6
-The "terms of trade" reflect the

A) conditions under which trade takes place,as established by the World Trade Organization.
B) quantity of imports that must be purchased to sell a unit of exported goods.
C) quantity of domestic goods that must be exported to get a unit of imported goods.
D) amount of absolute advantage held by one country over another.
E) difference in opportunity costs between two countries.