Answer:
The purchase is:
B. neither an export nor an import for either country.
Step-by-step explanation:
In the case provided, with the single purchase the import or export terms cannot yet be considered since for this the product, in this case, the Pirelli tires must leave Italy (export) and enter the United States (import) to be used in the manufacture of Tesla Motors, the purchase as such could be taken as the pact by which Pirelli undertakes to export its tires and Tesla Motors to import them, but the terms are regularly based on the transport of the product or service.