Chapter $2$ Question $6.$ Some changes$/$clarifications have been made to the text. See bolded parts below:

Widespread is a marketing company which helps clients design ads for their products. One of its client, Wolf Apothecary is now asking Widespread to allocate the marketing budget of $$14,000$ per month among four promotional media: TV ads, Facebook, newspaper ads, and direct mailing. The budget of $$14,000$ does not necessarily need to be completely spent. The goal of the client is to reach the maximum number of potential buyers through various promotional media. The estimated cost and reachable audience for each medium is given as follows: