Which of the Following Is Not a Commonly Occurring Subtle

Multiple Choice

Which of the following is not a commonly occurring subtle trade restriction

A) Firms based in one country are not subject to certain restrictions and can produce products at a lower cost than firms in other countries.
B) Firms based in a country receive subsidies from their government, produce products, and then export those products at a cheap price.
C) Firms based in one country are allowed by their government to offer bribes to large customers when pursuing business deals in a particular industry.
D) All of the above describe commonly occurring subtle trade restrictions.