Hello, and thanks for the question.
1. C. "We hope our decision meets with your approval."
2. A. put the topic, but not your action on it, in the subject line.
3. A. Yes, because it focuses on solving the problem.
4. A. Good positive emphasis because it focuses on the action the reader should take rather than on the fact that information was omitted from the form
5. C. "It turns out the problem is bigger than we thought; the entire compressor needs to be replaced, not just the belt. We can either replace it with a new or refurbished part or you may opt just to purchase a whole new machine."
6. C. Offer to send a knowledgeable colleague in her place.
7. D. Because workers who help make a decision are more likely to accept the consequences
8. C. use only the two strong reasons.
9. B. The reason reflects poorly on the company.
10. C. When you can offer an alternative that will still enable the reader to accomplish his or her goals
11. B. Persuasive problem-solving messages
12. B. The sales pattern
13. B. What points will the audience agree with?
14. C. Make it clear that you're recommending the student for the internship and then show how well and how long you've known her.
Hope this helps!