Concept:The marketing mix is a set of controllable marketing variables a firm uses to influence customer choices.
Its main elements are commonly called the 4 Ps.
Explanation:The 4 Ps of the marketing mix are Product, Price, Place, and Promotion.
Promotion is the element that creates awareness and informs consumers about a product.
It helps stimulate demand and increase sales.
Demand is the consumer's desire to buy, not a marketing mix tool.
Market refers to the group of buyers or the area where selling takes place.
Consumer is the person who purchases or uses the product.
Only Promotion appears among the four elements of the marketing mix in the given options.
Answer:B. Promotion