The marketing concept is best defined as:

A: a customer�s subjective assessment of benefits relative to costs in determining the worth of a product.

B: a philosophy stating that an organization should try to satisfy customers' needs through a coordinated set of activities that allows the organization to achieve its goals.

C: the performance of business activities that direct the flow of goods and services from producer to customer or user.

D: a philosophy stating that an organization should attempt to accomplish its goals with no regard for the needs of customers.

E: the inclusion of marketing activities in the activities of an organization.