Give an intuitive explanation for the optimal tariff argument.
A. In a large country, a tariff or quota can favorably shift the terms of trade such that the tariff revenue exceeds the welfare loss.
B. In a large country, a tariff or export subsidy can favorably shift the terms of trade such that the tariff revenue exceeds the welfare loss.
C. In a small country, a tariff or quota can favorably shift the terms of trade such that the tariff revenue exceeds the welfare loss.
D. In a small country, a tariff or export subsidy can favorably shift the terms of trade such that the tariff revenue exceeds the welfare loss.