I have an economic question. Several people in the hedge and equity industries have asked that hedge funds in general pay a 5% tax. If that were to happen how w

I have an economic question. Several people in the hedge and equity industries have asked that hedge funds in general pay a 5% tax. If that were to happen how would that change the outcome as in such a situation one has to factor in making enough on investments to cover the 5% tax? Or in general what can be done to economically align hedge funds with making some basic 5% or more return?