It heavily depends on your residence, citizenship and source of funds. No general answer exists.
Be advised that they will ask a remarkable number of questions anyway, especially if your account does not have a long history.
It depends on the sum on your payslip. If you have something like 5k per month there then it is really hard︀ to believe that it can produce 50k per month turnover 😉
(Generally, for such a turnover,︁ Dukascopy is not the right place, I am afraid.)