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: 2026-08-22 04:34:39 | IPv4: 216.73.217.130 | IPv4 Hostname: 216.73.217.130 | IPv6: Not found | IPv6 Hostname: Not found

Nội dung của file user_ips.txt:

Date/Time: 2026-08-22 02:01:29 | IPv4: 52.139.47.57 | IPv4 Hostname: 52.139.47.57 | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-08-22 02:01:35 | IPv4: 52.139.47.57 | IPv4 Hostname: 52.139.47.57 | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-08-22 04:07:06 | IPv4: 77.75.76.169 | IPv4 Hostname: fulltextrobot-77-75-76-169.seznam.cz | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-08-22 04:34:39 | IPv4: 216.73.217.130 | IPv4 Hostname: 216.73.217.130 | IPv6: Not found | IPv6 Hostname: Not found