A document used to ensure correct payment of duty at the importing country is

An article used as a means of exchange in the early days of trade in West Africa was

One of the products of the construction industry is a

The provision of services is classified under

A group of sellers who pool their resources to buy goods in large quantities and sell to its members is a

The growth of commerce is not enhanced by

The service of a retailer is part of production because it

The resources put together to create goods and services are

Which of the following organizations provide essential goods and services at low cost to citizens?