Answer:
C) Job specialization
Step-by-step explanation:
Job specialization defines that who is specialist for a particular field or subject. It shows expertise in a specific sector like finance, operation, Sales manager, customer service, delivery boy, human resource. etc. It indicates talent, skills, competencies of a particular person.
Therefore in the given scenario Jason who is serving the potato fries, a burger, and a roll shows the expertise in his field and that is called Job specialization.