Since the manager wants to track the number of shoplifting incidents weekly, the units he has to use must be related to the number of incidents and the number of weeks.
The units are what the quantities he is going to be measuring represent.
In this case, the correct option would be:
[tex]B\text{. number of in incidents per w}eek[/tex]Because in this way, he would be able to track the exact amount of incidents that happen during the wee