The marketing department has $100,000 of advertising budget for placing advertisements in four media: radio (R), television (T), newspaper (N), and intenet (W). The cost per ad and the audience per ad are:

The marketing department wants to place at least two ads in cach advertising media. They would like to place exactly twice as many television ads as radio ads. At least 40 percent of the total number of ads must be television ads. At least 30 percent of the total number of ads must be newspaper or internet ads. What is the allocation of the advertising budget to each advertising medium that maximizes the total andience exposed to an advertisement?