Subject: Apology for Error in Advertisement — Rectifying our mistake Dear valued customers of North Dakota, We would like to extend our sincerest apologies for the error that recently occurred in our advertisement regarding the latest promotion at our store. We understand and deeply regret the confusion and inconvenience this may have caused you. First and foremost, we take full responsibility for the oversight and assure you that it was unintentional. Our primary goal is to provide accurate and clear information to our customers, and we deeply regret the error that we made in our advertisement. Please accept our sincere apologies for any inconvenience caused. To rectify this situation, we want to ensure full transparency and provide clarity regarding the incorrect information. The mistake was made in terms of the advertised discount percentage, which was mentioned as 50% off instead of the intended 15% off. We understand that this discrepancy may have misled some customers, and we deeply regret any confusion that may have arisen as a result. In order to resolve this issue, we would like to offer a genuine solution. Starting from [date], we will extend the promotional period for an additional week. During this extended time, we will provide the accurate discount of 15% on all eligible items as originally intended. Additionally, to express our sincere apologies, all customers who were affected by the error will receive an additional 10% discount on their total purchase during this period. We strive for excellence in customer service, and this incident has served to remind us of the importance of attention to detail. As a result, we have implemented stricter review measures to prevent similar errors from occurring in the future. We are committed to maintaining our reputation for accuracy and reliability. We deeply value your continued loyalty and support as customers, and we hope you can accept our sincere apologies for this mistake. Your satisfaction is our top priority, and we will continue to work hard to ensure that such errors do not happen again. If you have any further questions or concerns, please do not hesitate to contact our customer service department at [contact details]. Our dedicated team will be more than happy to assist you and provide any necessary clarification. Once again, we deeply apologize for any inconvenience this may have caused you. It is our hope that you accept our sincere apology and provide us with an opportunity to make it right. Thank you for your understanding and continued support. Sincerely, [Your Name] [Your Title] [Company/Organization Name]