Which of the following is the best description of the principle of comparative advantage? O Nations that have comparative advantage in producing a good should import that good for efficiency. O Nations that have an absolute advantage in producing a good should import that good for efficiency. O Large nations with fertile land and good climate for growing food will be less likely to trade with other nations. O Nations should specialize in producing goods for which they have lower opportunity costs than their trading partners. O Nations should specialize in producing goods for which they have higher opportunity costs than their trading partners.