Why do you think the 4 components of media measurement are important?

audience, impression, frequency, and cost per thousand (CPM) 3.

Reach””The number or percent of different homes or persons exposed at least once to an advertising schedule in one or more media vehicles over a given period of time.

Frequency””The average number of times that the household or person is exposed to a media vehicle, schedule or campaign over a given time period.

idk the answer so dont listen too me

answer; ///i believe the correct answer is(e) complementary to each other;