The infant industry argument suggests that
a. a country requires protection against unfair trade practices.
b. the industry has no potential and must be protected to survive.
c. an industry may require temporary tariff protection until the industry matures.
d. a country requires tariff protection when it has no comparative advantage in the production of any good

T-comm makes a variety of products. it is organized in two divisions, north and south. the managers for each division are paid, in part, based on the financial performance of their divisions. the south division normally sells to outside customers but, on occasion, also sells to the north division. when it does, corporate policy states that the price must be cost plus 20 percent to ensure a "fair" return to the selling division. south received an order from north for 300 units. south's planned output for the year had been 1,200 units before north's order. south's capacity is 1,500 units per year. the costs for producing those 1,200 units follow