Unresolved issue with Builders Bros Gwangju product

The situation with Builders Bros Gwangju has gotten worse. Now they're claiming I never purchased the professional setup, despite me providing the receipt and reference number REF-020E3E36 multiple times.

Dear valued customer, Thank you for your complaint regarding the subscription box you purchased on May 13, 2025. At Builders Bros Gwangju, 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 $353.28 2. A replacement subscription box with an extended warranty 3. A store credit of $353.28 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-020E3E36. We value your business and hope to restore your confidence in our company. Best regards, William Taylor Quality Assurance Manager Builders Bros Gwangju