Final answer:
In a manufacturing company, the factory manager is the example of a line position because they directly oversee the production process and ensure operations are efficient on the factory floor.
Step-by-step explanation:
An example of a line position in a manufacturing company is a role that is directly involved in the core business processes, such as production and manufacturing. Among the options given, the factory manager is the clearest example of a line position. The factory manager oversees the production process, is responsible for meeting production targets, and ensures that operations run smoothly on the factory floor. Other positions like the vice president of human resources, chief accounting officer, and treasurer are generally considered staff positions supporting the core activities of the business through specialized expertise in areas such as human resources, accounting, and financial management.
The division of labor is exemplified by workers on an assembly line, where each worker is assigned a specific task to contribute to the overall product being manufactured. This specialization increases efficiency and is integral to the factory manager's role in overseeing the production process.