Answer:
B. a U.S. import and an Italian export.
Step-by-step explanation:
A purchase can be considered as an import for a country if such good or service that is purchased in that country is produced and imported from another country or foreign country.
On the other hand, a purchase can be considered an export for a country if the good or service that is produced in that country is exported to a foreign country for purchase.
The designer dress purchased by vanessa, from Barneys of New York that was made in Milan, Italy can be regarded as a U.S. import and an Italian export.