Answer:
C. Importing, exporting and countertrading
Explanation:
The e commerce partnership with Ali baba will enable them (Costco) buy (import) and sell (export) goods using the internet, and also transfer money and data to execute these transactions.
Importation involves buying of goods or services from other countries.
Exportation means selling of goods and services to other countries.
Countetrading means the exchange of goods and services which are paid in part or whole with other goods and services.
