Derek is a police officer who is discouraged by the number of youth cycling through juvenile detention. at first he wrote the offenders off as having low intelligence, but derek has found that the majority of these youth are detached and void of empathy. he is determined to break this vicious cycle. the most effective effort for derek is

Start a preventative workshop

Explanation:

A preventative workshop aims at prevention which is better than cure because this can help him deal with long terms issues that results from neglect and abuse for student who come from low income families.

I'm the preventative workshop he can teach all the youth about issues associated with the use of drugs and criminal activities which can increase a critical attitude towards all these activities. He can have even expert from criminal services or those who have been there who can come share their stories with the youth just to discourage the idea of even starting the drug use or criminal activities. They can learn about drug use risks , impact of sexual activities at a young age and what they can do during their leisure time to escape what they face in their homes.

well considering i can't see the graph, it's probably prices