Answer:
Statement a.
Explanation:
The comparative advantage that shall result in the benefit of citizens of the company by increasing the national income of the country with an increase in foreign trade is possible with increase in exports.
The removal of tariffs will allow the manufacturers in the country to produce more and then export which will increase the national income along with increase in international trade. Thus, this will emphasize the quality in the country along with meeting the competitive needs of manufacturing and marketing in international market.