Read Case Study $4$; then complete the letter.

As a customer representative, you have the responsibility of answering complaint letters. Ms$.$ Esther Reynolds of $21$ Magnolia Boulevard, Savannah, Georgia $31504-5213,$ is complaining that her recent telephone bill shows charges for long$-$distance calls that she did not make. She feels that there must be some mistake and asked you to check her records. You reviewed this matter and found Ms$.$ Reynolds is correct. Write a letter explaining the situation and apologizing for the error.