After Consideration of a Customer's Request for a Partial Product

After consideration of a customer's request for a partial product refund due to repeated repairs,you have determined that you should comply.Which of the following is NOT part of your effective adjustment message?

A) A fair response to a legitimate request
B) A statement that "the claim is being granted"
C) Resale or sales promotional material
D) An attempt to regain possible lost goodwill