Engineering Bros provided defective product

The situation with Engineering Bros has gotten worse. Now they're claiming I never purchased the loyalty program, despite me providing the receipt and reference number REF-92C3D054 multiple times.

Dear valued customer, Thank you for your complaint regarding the subscription box you purchased on May 20, 2025. At Engineering Bros, 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 $270.32 2. A replacement subscription box with an extended warranty 3. A store credit of $270.32 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-92C3D054. We value your business and hope to restore your confidence in our company. Best regards, Jennifer Thomas Customer Success Manager Engineering Bros