Q. The standard measurement of the effectiveness of an ad's placement is judged by its:
a. Cost per million (CPM), the cost of reaching 1,000,000 audience members
b. Cost per million (CPM), the cost of reaching 1,000,000 audience members
c. Cost per thousand (CPM), the cost of reaching 1,000 audience members
d. Cost per hundred (CPK), the cost of reaching 100 audience members
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