9. Some advertisements succeed because of their clever color scheme. One such is ——.
10. Every successful advertisement contains a convincing argument.
11. Mouth to mouth advertising is the best and the cheapest.
12. Advertised goods are better because they have to be.
13. The consumer pays for all the advertising.
14. The cost of advertising is paid by the competitors who do not advertise.
15. Advertising tends to create uniform prices.
16. The advertising expert is a student of men.
Exercise 293
Give your opinion as to the effectiveness of the following advertisements: