Answer:
c. specific information requirements of an individual or department
Explanation:
Shadow systems is described as a system in which its major function is to get or produce specific information requirements of an individual or department.
It doesn't focus on all the organization or all the people, it simply focuses on an individual or an organization. This concentration on a specific person results to more efficiency and effectiveness.
Thia can be applied In all the different sections or department in order to yield optimal performance.