Final answer:
Henri Fayol would likely recommend that an organization improve by enhancing managerial skills in planning, organizing, leading, and controlling, which are essential to effective management. Option number a is correct.
Step-by-step explanation:
Henri Fayol's Advice for Organizational Improvement
If an organization was performing poorly, Henri Fayol would most likely advise managers to better plan, organize, lead, and control. These are the four fundamental functions of management according to Fayol's administrative theory.
Fayol's approach focuses on improving management practices and ensuring that managers were effectively carrying out these essential roles in order to enhance the overall performance of the organization. He would likely emphasize the need for comprehensive training and development of managers so that they can efficiently oversee work processes, allocate resources, inspire employees, maintain order, and ensure that organizational goals are met. While technological improvements and staff promotions are important, they would be secondary to establishing robust managerial foundations built upon these core principles.