ship –v. to send a product to a buyer or customer
tariff –n. a tax on imports or exports by a government
value-added tax (VAT) –n. a tax that is collected whenever a product or service is sold including among suppliers or wherever "value" is added
package –n. a container holding some good, product or object that is sent somewhere
tough –adj. difficult
customer –n. someone who buys a good or service from a business