Hello,

Here is my question, and below it is my model. Did I do it correctly?

The Westchester Chamber of Commerce periodically sponsors public service seminars and programs. Currently, promotional plans are under way for this year's program. Advertising alternatives include television, radio, and newspaper. Audience estimates, costs, and maximum media usage limitations are as shown. Constraint Television Radio Newspaper Audience per advertisement 100,000 18,000 40,000 Cost per advertisement $2000 $300 $600 Maximum media usage 10 20 To ensure a balanced use of advertising media, radio advertisements must not exceed 50% of the total number of advertisements authorized. In addition, television should account for at least 10% of the total number of advertisements authorized 10 a. If the promotional budget is limited to $18,200, how many commercial messages should be run on each medium to maximize total audience contact? What is the allocation of the budget among the three media, and what is the total audience reached? X1 - TV Signs Resources (RHS) X2 - Radio 4.0 10000 2000 0.9 -0.5 1 X3 - Newspaper 14.0 10.0 18000 40000 300 600 -0.1 -0.1 0.5 -0.5 Max. Budget Min. TV Advertisements Max. Radio Advertisements Max TV Advertisements Max Radio Advertisements Max News Advertisements 692,000.0 18,200.0 > 18200