Which of the following purchases would most likely NOT be duty-free?

Purchasing goods from a local supermarket would most likely not be duty-free due to the nature of retail operations within a domestic market. Unlike duty-free shops, which are specifically designed to offer goods exempt from certain taxes upon travel, items bought at local supermarkets are subject to standard taxation as they are intended for consumption within the country.

Duty-free shops, found in airports or on international cruise ships, operate under special regulations that allow travelers to buy specified goods without incurring local duties or taxes, typically in association with international travel. Similarly, alcohol purchased at a seaport may also enjoy duty-free status, depending on regulations and whether the traveler is leaving for an international destination.

This distinction is crucial for understanding how indirect taxes operate in various purchasing environments, highlighting that domestic purchases are generally taxable while those from designated duty-free outlets are not, reflecting the intent of such regulations to facilitate international travel and commerce.