Concept:Advertising is a trade ancillary that communicates information about goods and services to potential buyers.
Explanation:Trade ancillaries are activities that support the main functions of buying and selling.
Among these, advertising is specifically used to inform the public about products, their features, prices, and availability.
It creates awareness and helps consumers make informed decisions about goods.
Insurance protects against risk, warehousing provides storage, and banking handles financial transactions.
Only advertising directly ensures access to information pertaining to goods.
Answer:B. advertising