International Economics question. Please show work and answer all parts. Thank you.

Which of the following statements correctly identify why U.S. steel-using firms might lobby against the imposition of quotas on foreign steel sold in the United States? Check all that apply. Buy-national policies allow domestic producers to use inferior production methods and pay higher resource prices. Discriminating against low-cost foreign suppliers raises production costs for U.S. steel-using firms. Buy-national policies improve the quality of foreign steel. Discriminating against foreign suppliers reduces domestic producers' production costs