Virual offlinev/ online data entry job

This is a ****..... tells you to register on plan you choose and pay, sends you login details that does not work, then tells you to rather book for offline data entry. Then they let you type 250 documents, when you submit, they come back to say you only have 81.7% accuracy, so they will not pay you. But this has been said that other people get the exact same accuracy %, how is that possible... they let you do the work then will not pay you.