A retailer wants to advertise its "Back-to-School" sale in a city that has two daily newspapers. There are 450,000 subscribers to Newspaper A and 520,000 subscribers to Newspaper B. The two-page ad in Newspaper A costs $20,000, and the same ad will cost $22,000 in Newspaper B. What else would the retailer need to know to compare the CPM effectiveness of these two newspapers?
A. The newspaper that has readers who have school-aged children
B. The brand development index of each of the newspapers
C. The CPP for both
D. The daily inch rate
E. The socioeconomic status of subscribers to each newspaper
Answer: A.