website ads Nielson's net ratings for the month of December 2002 indicated that in United States , AOL had a unique audience of about 76.4 million people and Yahoo! had a unique audience of about 66.2 million people . An advertising company wants to purchase website ads to promote a new product. Suppose that the monthly cost of an ad on the AOL website is $ 1200 and the monthly cost of an ad on the Yahoo! website is $1100. Determine how many months an ad should run on each website to maximize the number of people who would be exposed to it. Assume that , for future months, the monthly website audience remains the same as given for December 2002. Also assume that the advertising budget is $35,000 and that is has been decided to advertise on Yahoo! for at least ten months.