Cách tính thuế đã có VAT hoặc chưa có VAT

Nhập số tiền (đ):
Thuế VAT (%):

Địa chỉ IP và nhật ký

Địa chỉ IP đã được lưu vào tệp user_ips.txt:

Date/Time: 2026-07-26 02:28:15 | IPv4: 216.73.217.138 | IPv4 Hostname: 216.73.217.138 | IPv6: Not found | IPv6 Hostname: Not found

Nội dung của file user_ips.txt:

Date/Time: 2026-07-26 00:20:06 | IPv4: 3.217.141.132 | IPv4 Hostname: ec2-3-217-141-132.compute-1.amazonaws.com | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-07-26 00:33:20 | IPv4: 77.75.76.163 | IPv4 Hostname: fulltextrobot-77-75-76-163.seznam.cz | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-07-26 01:55:03 | IPv4: 192.36.24.172 | IPv4 Hostname: 192.36.24.172 | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-07-26 02:09:49 | IPv4: 77.75.76.172 | IPv4 Hostname: fulltextrobot-77-75-76-172.seznam.cz | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-07-26 02:27:49 | IPv4: 18.209.31.132 | IPv4 Hostname: ec2-18-209-31-132.compute-1.amazonaws.com | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-07-26 02:28:15 | IPv4: 216.73.217.138 | IPv4 Hostname: 216.73.217.138 | IPv6: Not found | IPv6 Hostname: Not found