Answer:
b. Fixed cost
Step-by-step explanation:
In the given instance it is provided that the Comprehensive Care Unit needs to maintain, at least a minimum of 3:1 ratio of direct service staff with that of residents.
Accordingly, as this is a requirement imposed for license associated to Nursing home. Accordingly this is a kind of legal requirement need to be fulfilled, thus, any payment to direct service staff in this regard will refer to as fixed cost.