Refer to the information provided in Figure 7.5 below to answer the question(s) that follow. 
Figure 7.5
-Refer to Figure 7.5. Diminishing marginal returns set in after the ________ worker is hired.
Definitions:
Malpractice Litigation
A legal process initiated by a patient against a health care professional or organization for harm caused due to negligent medical care.
Medical Records
Documents that contain a comprehensive history of a patient's medical background, treatments, and care.
National Forest
Public lands set aside by the government for the purpose of preserving forested areas, supporting biodiversity, and regulating the use of natural resources.
Walnut Trees
Deciduous trees known for their production of walnuts, valued for their wood and nuts, grown in temperate regions worldwide.
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