Overcharged by StudyInstitute for service

I've received an email from Linda Johnson at StudyInstitute offering a partial refund, but I believe I'm entitled to a full refund given the circumstances. The athletic shoes was clearly defective from the start.

Dear customer, On behalf of StudyInstitute, I would like to personally apologize for the inconvenience you've experienced with our repair service. We strive to provide exceptional service to all our customers, and we regret that we fell short of this standard in your case. After carefully reviewing your complaint, I have authorized an immediate store credit to address this situation. Additionally, we have documented this case (Reference: REF-41884C79) to help improve our training and service protocols. Please feel free to contact me directly at extension 4567 if you have any further questions or concerns. Yours sincerely, David Young Customer Advocacy Manager StudyInstitute