Which of the Following Is Correct? Given the Added Risks

Which of the following is correct? Given the added risks associated with doing business abroad, companies should

A) limit their foreign sales to less than 40% of total sales
B) limit their foreign assets to less than 30% of total assets
C) avoid foreign markets altogether unless they can earn a return in excess of the return they earn in their domestic market
D) not limit their foreign sales at all