The question asks us to identify which of the provided options is a principle by Henri Fayol, a French engineer and director of mines who developed a general theory of business administration. Among the options provided, Henri Fayol is known for his 14 Principles of Management. Let's analyze the options:
Based on this analysis, the correct answer is the Scalar Chain, as it directly corresponds to one of the principles articulated by Henri Fayol.
Fill in the blank with the correct option:
She has been working here __________ five years.