Subject: Apology for Error in Advertisement — We deeply regret the inconvenience caused Dear [Recipient's Name], I hope this letter finds you well. I am writing on behalf of [Your Organization's Name] to extend our sincere apologies for an error that occurred in our recent advertisement campaign pertaining to our offerings in New Hampshire. Our team takes great pride in ensuring accuracy and transparency in all our communications, and we deeply regret the oversight that led to this inadvertent mistake. We understand the importance of maintaining our customers' trust and want to assure you that such errors will not recur in the future. The error in question involved an incorrect pricing structure for our products/services in New Hampshire, which was mistakenly conveyed through our advertisement. It was truly an oversight on our part, and we would like to express our most sincere apologies for any confusion or frustration caused due to this. At [Your Organization's Name], we understand the value of providing accurate information to our valued customers like yourself, and we take this error very seriously. Rest assured, we have already taken immediate actions to rectify the mistake. We have launched an internal investigation to identify the root cause of this error and have implemented more stringent quality control measures to avoid similar incidents in the future. We extend our apologies to all those who were affected by this oversight and assure you that steps have been taken to rectify the situation. Furthermore, we have updated the correct pricing information on our website, social media platforms, and all other advertising channels used to promote our products/services in New Hampshire. In addition to rectifying the error, we would like to offer you a special discount of XXL on any purchase you make during [specified time period]. This discount is our way of expressing our gratitude for your continued support and our commitment to delivering excellent service to you. Please accept our heartfelt apologies once again for this mistake. We truly value your patronage, and we are committed to ensuring your satisfaction with our products/services. If you have any further queries or concerns, please do not hesitate to contact our dedicated customer service team at [Contact Details]. Thank you for your understanding, and we look forward to serving you better in the future. Sincerely, [Your Name] [Your Organization's Name]