​the marketing concept is a ______________ that guides the overall activities of an organization. it has evolved over time from a ______________ in the second half of the 19th century to a _____________ today.

Respuesta :

the answer is management philosophy; product orientation; market orientation
Management philosophy refeers to management practices that derived from one's personal opinion,
 product orientation refers to a business strategy that disregards consumers' opinion and focus on building the best possible product,  
Market orientation refers to a business strategy that disregards the quality of the products as long as it fulfill consumers' opinion/needs.