Concept:Commerce covers all activities that help in the exchange of goods and services.
Explanation:The scope of commerce includes two main parts: trade and aids to trade.
Trade refers to buying and selling of goods and services, such as home and foreign trade, wholesale and retail trade.
Aids to trade are supporting activities like banking, insurance, transport, advertising, and warehousing.
Therefore, commerce is not limited only to buying and selling; it also includes the services that make trade possible.
So the complete scope of commerce is captured by trade and aids to trade.
Answer:C. trade and aids to trade