Unresolved issue with Realty Services product

I want to acknowledge that Realty Services has attempted to resolve this issue. However, the solution they're offering (a $499.74 store credit) isn't adequate considering I paid $499.74 for a microwave that never worked properly.

Dear valued customer, Thank you for your complaint regarding the air purifier you purchased on April 16, 2025. At Realty Services, customer satisfaction is our top priority, and we take all feedback seriously. We have thoroughly investigated your case and have identified the source of the issue you experienced. We would like to offer you the following resolution options: 1. A full refund of $195.20 2. A replacement air purifier with an extended warranty 3. A store credit of $195.20 plus 20% for your inconvenience Please let us know which option would best satisfy your concerns by responding to this message or calling our dedicated customer resolution line at 1-800-555-1234, reference number REF-0EBFFB73. We value your business and hope to restore your confidence in our company. Best regards, Thomas King Customer Success Manager Realty Services