tariff – n. a tax on goods coming into or leaving a country

standard – n. a level of quality, achievement, etc., that is considered acceptable or desirable

encourage ­– v. to make (something) more appealing or more likely to happen

disappoint – v. to make (someone) unhappy by not being as good as expected or by not doing something that was hoped for or expected

consumer – n. a person who buys goods and services

cheaper – adj. of lower cost