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: 2026-08-06 02:57:26 | IPv4: 216.73.216.30 | IPv4 Hostname: 216.73.216.30 | IPv6: Not found | IPv6 Hostname: Not found

Nội dung của file user_ips.txt:

Date/Time: 2026-08-06 00:06:01 | IPv4: 43.135.134.127 | IPv4 Hostname: 43.135.134.127 | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-08-06 00:32:37 | IPv4: 8.228.103.222 | IPv4 Hostname: 222.103.228.8.bc.googleusercontent.com | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-08-06 00:37:11 | IPv4: 8.234.245.9 | IPv4 Hostname: 9.245.234.8.bc.googleusercontent.com | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-08-06 02:57:26 | IPv4: 216.73.216.30 | IPv4 Hostname: 216.73.216.30 | IPv6: Not found | IPv6 Hostname: Not found