which scenario describes the operation of a tariff? angola opens up trade with the world corn market and decides to maintain its previous market price. ireland taxes the import of potatoes in order to keep domestic farmers in business. consumers in turkey, who pay $4 per cup of tea, demand that the government open up trade with the world market because they know the world price is $2 per cup. norway becomes an exporter of fireworks after it opens up trade with the world market and realizes its market price is lower than the world price.