The project was not achieved, the final indicators were 10 times worse than Oxana predicted.
It was a situation on the cake when Oksana's executive addressed me and offered to work directly because Oksana didn't pay the whole team's salary. Oksana confirmed it - "Illia left with the whole team, I was enjoying ...", she promised to return the payment in 2 weeks (150$), but then stopped responding to the messages.
Screenshots of the correspondence confirming history are ready to be provided to anyone who wishes.