Your credibility with the reader of a persuasive message will not be enhanced by
a. explaining how you, as the writer, will benefit.
b. discussing your knowledge as an authority on the topic.
c. mentioning that you hold a position in which you deal with the topic quite often.
d. providing factual evidence and statistics that the reader can verify.
e. discussing your prior experience with the topic.
Answer: explaining how you, as the writer, will benefit.