Canadian prices for wheat will tend to be the same as world prices because

A.

Canada is a large player in the world wheat market and plays a role in setting wheat prices as part of a wheat cartel.

B.

of the government's "law of one price", which specifies that the price must the same across the country.

C.

of wheat being sold through grain companies that maintain high prices to increase profits through monopoly agreement.

D.

of the "law of one price", which states that when a product that is cheaply transported is traded throughout the entire world, it will tend to have a single price.