Please help me answer the two I missed. Don't use previous chegg answers because they're not really accurate. Thank you, will upvote for accurate answers

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 online. Audience estimates, costs, and maximum media usage limitations are as shown: Constraint Television Radio Online Audience per advertisement 150,000 17,000 35,000 Cost per advertisement $1,500 $250 $500 Maximum media usage 12 18 11 To ensure a balanced use of advertising media, radio advertisements must not exceed 45% of the total number of advertisements authorized. In addition, television should account for at least 10% of the total number of advertisements authorized. (a) If the promotional budget is limited to $24,000, how many commercial messages should be run on each medium to maximize total audience contact? If your answer is zero enter "O". No of commercial messages Advertisement Alternatives Television 12 Radio 2 Online 11 What is the allocation of the budget among the three media? Advertisement Alternatives Budget ($) Television 18000 Radio 500 Online 5500 What is the total audience reached? 26100 What is the total audience reached? 26100 (b) By how much would audience contact increase if an extra $100 were allocated to the promotional budget? Round your answer to the nearest whole number. Increase in audience coverage of approximately X 1052000