proofread this letter : I am writing to thank you for your continued loyalty and business over the years. We understand that you have been an invaluable customer for 10 years and we are thankful for your commitment to us. We have made it our mission to provide the services and products to you, and we are confident that you have been pleased with our efforts. Our customer service team is always available to listen to your feedback, and make sure that any issue you may have been resolved quickly and efferently. In addition, we want to highlight our ongoing commitment in commitment to innovation and advancement. We are constantly looking for new ways to improve our products and services in order to better meet your needs. We hope that you will continue to give us your feedback so that we can make sure that your experience with us is a positive as possible. Enclosed you will find a customer feedback form. We would greatly appreciate it if you would take the time to complete it and send it back in the envelop also provide here with. As previously stated, your feedback is extremely important to us, especially being