Based on the story above, we are the example of principal. In other side, the employee is the example of agent.
In economic and business, marketing generally can be defined as the activity, processes for creating, set of institutions, communicating, delivering, and exchanging offerings that have value for partners, customers, clients, and society at large. There are several key point in marketing, there are product, price, place, and promotion. In the other side, there are several types of marketing, such as sales promotion and brand marketing. In the marketing also there are seller, employee, and buyers.
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