Which statement expresses the American Marketing Association $($AMA$)\text{'}$s core definition of marketing?

Marketing is a philosophy, an attitude, a perspective, or a management orientation that stresses employee satisfaction.

Marketing involves building long$-$term, mutually rewarding relationships that are beneficial exclusively to the sellers.

Marketing refers to personal selling that focuses solely on selling goods, services, and$/$or ideas to customers.

Marketing is an organization function and a set of processes that have value for customers, clients, partners, and society at large.