Which of the following is a difference between the marketing concept and the selling concept?
a. The marketing concept focuses on customer conquest, whereas the selling concept focuses on targeting the right customers.
b. The marketing concept focuses on short-term sales, whereas the selling concept strives to build long-term customer relationships.
c. The marketing concept is product-centered, whereas the selling concept is production-centered.
d. The marketing concept focuses on customer needs, whereas the selling concept focuses on existing products.
e. The marketing concept takes an inside-out perspective, whereas the selling concept takes an outside-in perspective.

A difference between the marketing concept and the selling concept is that the marketing concept focuses on customer needs, whereas the selling concept focuses on existing products.

A selling concept believes there must be adequate promotion and large scale selling for consumers to purchase a firm's products while according to Marketing concept,the need of the consumers has to be known and identified by the firms.