Unsatisfactory resolution from WirelessNet

An update to my situation: I've now spoken with three different representatives from WirelessNet, and each has given me conflicting information about how to resolve the issue with my air purifier. This is extremely frustrating.

Dear valued customer, Thank you for your complaint regarding the coffee maker you purchased on April 10, 2025. At WirelessNet, 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 $427.21 2. A replacement coffee maker with an extended warranty 3. A store credit of $427.21 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-1E7F37D1. We value your business and hope to restore your confidence in our company. Best regards, Alex King Customer Experience Manager WirelessNet