Concept:The marketing mix, also called the 4 Ps, is a set of controllable marketing tools a firm uses to achieve its marketing objectives.
Explanation:The four components of the marketing mix are product, price, place, and promotion.
Product refers to what is being sold.
Price is the amount customers pay.
Place involves distribution and availability.
Promotion covers advertising and communication.
These four elements together form the marketing mix.
Therefore, population is not part of this mix.
Answer:C. population