Answer: Janie must pay an ad valorem tariff on the extra $200
Step-by-step explanation:
Coming in from Italy, the US Government will allow Janie to bring in $800 worth of Jewelry into the country. The rest will be charged a Customs Duty or Tariff.
Customs duties are charged by the Government on imported goods as a way to reduce trade on imports which would in theory stimulate purchasing from domestic companies. It also brings in revenue for Government.
Customs duties are usually ad valorem in nature which means that they are charged as a percentage of the good's value. In this case that percentage will probably be 3% as the value is less than $1,000.