Although It Was Thought in the 19^th Century That Production

Multiple Choice

Although it was thought in the 19^th century that production creates its own demand,in the first third of the 20^th century,North American companies began to produce more goods than their regular buyers could consume.At the same time,competition became more significant,and the problems of reaching the market became more complex.It was for these reasons the _____ era began.

A) product
B) production
C) sales
D) marketing concept