class PrivateSchool extends School 
  {
     public double endowment;
     public double tuition;

     PrivateSchool(String n, String a)
       {
          super(n,a);
       }

     public void setEndowment(double e)
       {
          endowment = e;
       }

     public void setTuition(double t)
       {
          tuition = t;
       }
 
      public double costPerStudent()
      {
         budget = tuition*numStudent + endowment*0.05;
         return (budget/numStudent);
      }

}