(Animated pros and cons list appears on screen)

CPM = ($500 / 50,000) x 1,000 = $10

Host: "CPM stands for Cost Per Mille, also known as Cost Per Thousand. It's a metric used to measure the cost of displaying an ad to a large audience. In simple terms, CPM is the cost of showing an ad to 1,000 people."

CPM = (Total Cost / Total Impressions) x 1,000