Are Programs to Prevent Children's Aggression a Good Economic Investment

Are programs to prevent children's aggression a good economic investment?

A) No-it costs more to prevent aggression than to rehabilitate aggressive children because you have to start prevention programs early
B) No-the costs of prevention efforts are not worthwhile because most of these programs fail
C) Yes-"an ounce of prevention is worth a pound of cure" and therefore intervention is a better economic strategy than rehabilitation
D) No-prevention of aggression programs are only economically beneficial for inner city children