Using a domestic-market demand- and supply-curve graph,

(a)show the impact of tariff on a small country's import price, domestic demand, domestic supply, import quantity, consumer surplus, producer surplus, government revenue, and total welfare;

(b)Is the country unambiguously worse off as a result of the tariff?

(c)In the same graph, show how to achieve the same import quantity with an import quota;

(d)When would the tariff and the import quota lead to the same amount of welfare change?