Option A
Merit systems: are valid if applicable to all employees.
Step-by-step explanation:
The merit system is the method of supporting and hiring government workers based on their capacity to deliver a job, preferably than on their political associations. A popular perception of the Federal Government's merit system policies is that they are intended to assure fair and open recruitment and trial and hiring practices independent of political authority or other non-merit factors.
A merit system's underlying conditions include a powerful sense of fairness. Select, decide, and promote on merit after an honest and open competition. Handle employees and candidates fairly and equitably