This document contains the revised versions of a complaint letter, email and blog post for Assignment 6. The changes made include improving the organization, grammar, tone and sentence structure. The letter apologizes for inconvenience caused and offers a replacement at 40% off. The email informs about the denial of a revision request due to financial inability and suggests plans to tackle challenges. The blog post discusses mentorship programs at Markwell Co. Pvt. Ltd. and invites volunteers to become mentors.