4. Which is the dominate tariff calculation method in the U.S.? A. Tariff rate quota (TRQ) B. Ad valorem C. Mixed D. Specific 5. Which of the below statements about the WTO dispute settlement process is incorrect? A. The losing state party to an WTO dispute settlement proceeding is subject to retaliatory trade sanctions B. WTO dispute settlement decision cannot be appealed C. Only a WTO member country can file a WTO dispute settlement claim. D. WTO dispute settlement mechanism primarily relies on consultation and negotiation. 6. Every American company is international, at least to the extent that: A. The COVID-19 pandemic creates a more close-knitted global community B. The internet generates orders for all American business to go abroad C. Federal law requires all corporations to outsource whenever it is cost-effective D. Its business performance is affected by events occurring abroad