It shall be the duty of the Commission to conduct a comprehensive study and review of the ocean transportation of agricultural exports subject to the cargo preference laws referred to in section
1241f of this Appendix and to make recommendations to the President and the Congress for improving the efficiency of such transportation on United States-flag vessels in order to reduce the costs incurred by the United States in connection with such transportation. In carrying out such study and review, the Commission shall consider the extent to which any unfair or discriminatory practices of foreign governments increase the cost to the United States of transporting agricultural commodities subject to such cargo preference laws.