Answer:
The Wall Street Journal
Step-by-step explanation:
CPM (cost per mille) is an important marketing measure that tells us what is the cost of advertising in media per thousand of impressions. It reflects on the money we are spending on advertising in order to get a thousand people seeing the advert.
The formula for CPM is:
CPM = (cost of the advertising program) / (audience size) * 1000
We have to calculate the CPM for all media respectively. So we have:





So, the Wall Street Journal has the highest CPM.