$48.$ Which statement best explains when human resource management is essential?While human resource management is not important to small organizations, it becomes essential after they exceed $50-100$ employees.Human resource management is essential in every organization regardless of size, industry, or union status.Although human resource management is unnecessary in the mining and manufacturing industries, it is essential in service companies like finance and retail.Human resource management is only essential when companies do not have an organized union to protect employees.