Final answer:
The inclusion of a fifth 'P' for People in the marketing mix is true (a). It recognizes the importance of the human aspect, including employees and customer service, in the overall marketing strategy of a business.
Step-by-step explanation:
The statement that in recent years, many people have begun to include a fifth 'P' in the marketing mix, with this new 'P' standing for People, is true(a). Traditionally, the marketing mix has been comprised of four 'P's: Product, Price, Place, and Promotion. However, with the evolution of service-centered economies and the importance of customer service and interaction, People has become an increasingly prominent component of the marketing strategy.
Recognizing People as part of the marketing mix highlights the role of employees, customer service, and the overall consumer experience in a company's success. It emphasizes that the quality and effectiveness of the people behind a brand are crucial when it comes to delivering value to customers and creating a competitive advantage.