If a U$.$S$.$ citizen returns from anywhere other than a U$.$S$.$ insular possession $($U$.$S$.$ Virgin Islands, American Samoa, or Guam$)$ they may bring back $$800$ worth of items duty$-$free. After that, U$.$S$.$ citizens must pay a$($n$)\_\_\_\_\_\_\_\_$ based on the cost of the item and the country of origin.

Question $46$ options:

sales tax

transactional tax

ad valorem tariff

fixed tariff

export tariff