How does the American Marketing Association $($AMA$)$ define marketing?

Question $19$Select one:

a$.$

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

b$.$

Marketing is an organization function and a set of processes implemented in order to ensure customer satisfaction

c$.$

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

d$.$

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