Dear _____________
Thank you for your letter of ___________ (date)in which you informed us that the ___________ (product) you purchased was ___________ (nature of problem).
We are sorry that you experienced this problem and are enclosing _______________ (nature of compensation). While we make every attempt to insure that our products are up to the mark, this unfortunate incident can occasionally occur.
We are very appreciative that you have taken the time to bring this to our attention and would like to thank you for purchasing our products.