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: 2026-03-14 01:36:36 | IPv4: 216.73.216.215 | IPv4 Hostname: 216.73.216.215 | IPv6: Not found | IPv6 Hostname: Not found

Nội dung của file user_ips.txt:

Date/Time: 2026-03-14 00:08:05 | IPv4: 34.162.119.58 | IPv4 Hostname: 58.119.162.34.bc.googleusercontent.com | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-03-14 00:45:39 | IPv4: 39.109.202.121 | IPv4 Hostname: 39.109.202-121.unknown.starhub.net.sg | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-03-14 00:51:44 | IPv4: 157.173.102.19 | IPv4 Hostname: vmi3103225.contaboserver.net | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-03-14 01:08:02 | IPv4: 94.26.106.223 | IPv4 Hostname: 94.26.106.223 | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-03-14 01:36:36 | IPv4: 216.73.216.215 | IPv4 Hostname: 216.73.216.215 | IPv6: Not found | IPv6 Hostname: Not found