Seaver uses a sarcastic tone in his letter to mock Herbert because the issue with the phrase “it’s the real thing” does not seem like a big problem. For instance, in the text, Seaver states, “I can fully understand that the public might be confused by our use of the expression, and mistake a book by a Harlem school teacher for a six-pack of Coca Cola (4-5).” That is to say Seaver is ridiculing Herbert’s concern about the slogan because Grove Press Inc. believes that the difference between their book and a soda is obvious and people should not get confused. This information conveys the idea that Seaver is more persuasive since he adds humor into his letter instead of being completely formal and straightforward. As another example, in the text