As an indication of how various interests will fight over how to divvy up tax revenue from the new industry, Ammons’ bill would create a 10 percent excise tax on marijuana and send 30 percent of the proceeds to a state school fund; 50 percent to the General Fund; and 2.5 percent each to the State Employees Retirement Pension, Teachers Retirement System, State Universities Retirement System and to Illinois State Police, to hire and train drug enforcement officers.