If Korea is capable of producing either shoes or soccer balls or some combination of the two, then Select one: a. Korea should specialize in the product in which it has an absolute advantage. b. it would be impossible for Korea to have an absolute advantage over another country in both products. c. it would be difficult for Korea to benefit from trade with another country if Korea is efficient in the production of both goods. d. Korea's opportunity cost of shoes is the inverse of its opportunity cost of soccer balls.