Choice Ventures Group failed to honor their commitment

I've received an email from Michael Smith at Choice Ventures Group offering a partial refund, but I believe I'm entitled to a full refund given the circumstances. The microwave was clearly defective from the start.

Dear customer, I am reaching out regarding your recent complaint about our subscription plan. First and foremost, I want to extend my sincere apologies for the frustration this situation has caused you. As the Senior Customer Representative at Choice Ventures Group, I have personally reviewed your case and have spoken with the team members involved. There appears to have been a miscommunication regarding our service guarantees, and I take full responsibility for this oversight. I have taken the following immediate actions: 1. Processed a refund of $492.73 to your original payment method 2. Added a $492.73 service credit to your account for future use 3. Implemented additional training for our staff based on your feedback Your case has been assigned reference number REF-E2C2FF9C for any future correspondence. Please allow 3-5 business days for the refund to appear in your account. Thank you for giving us the opportunity to address this matter. Your feedback helps us improve. Sincerely, James Lee Senior Customer Representative Choice Ventures Group