Математическая экономика.
Quality of work: I can’t evaluate, the work was not done.
Professionalism is the same.
The price is market, I’m happy.
Contact: the first day the freelancer came out to contact. It just disappeared. I left applications for other jobs and did not respond to my messages.
Deadline: The deadline was 1 day. Then I extended it for another day. After a week there is no result. The freelancer that 30 minutes of work.