Put the steps in the media cycle in the order in which they occur.

W. The powers that be communicate to the masses through various media.
X. The powers assess the effectiveness of their message and release more media
Y. The media is presented to the public in its many forms
Z. The people act, believe, and spend based on the effectiveness of the media and their preferences

a.
W - X - Y - Z
c.
W - Y - Z - X
b.
W - Z - X - Y
d.
W - X - Z - Y