In Most Cases, the Reason Why Products Cost Relatively Little

In most cases, the reason why products cost relatively little in one country and cost more in another is:

A) the profiteering measures taken by exporting companies.
B) the consistency in perception of quality in all countries.
C) the inelastic demand of most consumer goods.
D) the requirement that all export goods must use set skimmed price.
E) the higher costs of exporting.