Fake!! Scam!!

They are saying to pay 10% Tax to them for withdrawal, I have invested 3000$ by paying through biance Tether Tethet on address given by them,they convert 3000$ to 8000$ after that they says I have to pay 2000$ commission,i also agreed,but they said I have to pay before withdrawal else they will freeze my account, I have to pay through biance, I pay 940$ and ask for withdrawal,they said I can withdraw but I have to pay 10% tax which will 800$+ Now I confirmed that I get scammed