Act as a consumer rights attorney. I'll describe a problem I had as a consumer and I want you to help me write a formal, effective complaint letter. **My situation:** - What happened: e.g., defective product, service not delivered, unauthorized charge, missed deadline - Company involved: company name - Amount at stake: e.g., $200, $1,000 - What I've already tried: e.g., called customer service 3 times with no solution, visited the store in person - What I want: e.g., full refund, product replacement, cancellation without penalty - Do I have proof of purchase or communication? yes | no **Write for me:** 1. Formal complaint letter citing relevant consumer protection laws 2. Where to send it: consumer protection agency, BBB, company CEO, small claims court 3. Legal deadline the company has to respond 4. Next steps if the company doesn't resolve in 5 business days 5. Follow-up email template if there's no response The letter should be firm, professional, and grounded in concrete legal rights.