It's best to back up all claims and requests for adjustments with ...

[vinney12]

It's best to back up all claims and requests for adjustments with invoices, sales receipts, and so on and to send copies to the company and keep the originals.
 
  Indicate whether the statement is true or false.

Question 2

The opening of a request for a recommendation should include
 
  A) a buffer statement to distract the reader.
  B) a statement implying that you're applying for a position.
  C) a statement on why the recommendation is needed.
  D) an apology for bothering the reader.
  E) a request for the writer to overstate your qualifications.

[HandsomeMarc]

Answer to Question 1

Answer: TRUE
Explanation: Documentation of your version of the facts using official sales items is often critical to your case. Keep in mind that if, for example, you are missing a receipt you can often produce a credit card statement of the purchase to back up your claim.

Answer to Question 2

Answer: C
Explanation: C) Start with a clear statement of why you're asking for a recommendation. For example, state that the recommendation is for a job, an application for graduate school, an internship, or membership in some kind of organization.