B) Structural Functionalists, because there are a variety of roles that need to be occupied, there must be an incentive to ensure people will occupy all roles.
Structural Functionalists argue that in any society, there are various roles and functions that need to be fulfilled for the system to work smoothly.
According to this theory, there is a need for different levels of reward or incentive to motivate individuals to take on diverse roles based on their skills and contributions.
In the context of your question, paying well over minimum wage to those who pick up trash aligns with the idea that there should be incentives or rewards for individuals performing essential but potentially less desirable roles, ensuring the functioning of the overall societal structure.