During formal operational stage adolescents<em> gain the ability of abstract thinking and its application, they can manipulate ideas in their heads without any dependance, they also begin to think creatively and can do mathematical calculations.</em>
I hope you find this information useful and interesting! Good luck!
All of the above I suppose. You forgot to add loss of treatment to those who need it. You haven’t specified which services are being limited but presumably something is lost when we limit offerings.