Option c is the correct answer.
Typically, a focus group should include <u>8–10</u> customers.
The definition of a customer is someone who purchases products or services at a store, restaurant, or another retail establishment. An example of a customer is someone who goes to an electronics store and buys a television. (informal) A person, especially a person, who interacts with others in some way.
No matter what industry you are in or what kind of products or services you sell, your customers are the most important part of your business. Without customers, there are no sales. Therefore, these are important factors in formulating the marketing message and strategy.
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