# Page Not Found

The URL `4./undefined/payment/discount` does not exist.

You might be looking for one of these pages:
- [★할인하여 결제하기](https://okpos.gitbook.io/okpos/undefined-2/undefined/payment/discount.md)
- [★카드 결제하기](https://okpos.gitbook.io/okpos/undefined-2/undefined/payment/credit_card.md)
- [★외상결제 및 외상관리하기](https://okpos.gitbook.io/okpos/undefined-2/undefined/payment/saleoncredit.md)
- [서비스하여 주문/결제하기](https://okpos.gitbook.io/okpos/undefined-2/undefined/payment/undefined.md)
- [수량 변경하기](https://okpos.gitbook.io/okpos/undefined-2/undefined/order/counts.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://okpos.gitbook.io/okpos/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://okpos.gitbook.io/okpos/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/okpos/undefined-2/undefined/payment/discount.md`)
- Use `Accept: text/markdown` header for content negotiation