Final answer:
Jonathan, who oversees entry-level employees and handles short-term planning at Carlton Inc., exemplifies a first-line manager. These managers are tasked with direct supervision of line employees and are vital in driving efficiency and motivation at the operational level.
Step-by-step explanation:
Jonathan is a shift supervisor at Carlton Inc. who manages and monitors the performance of entry-level employees and is responsible for short-term planning. This scenario illustrates that Jonathan is a first-line manager. First-line managers, also known as front-line managers or supervisors, are responsible for the daily management of line employees and are at the lowest level of an organizational management hierarchy. They often serve as a link between non-managerial personnel and higher levels of management. Engaging directly with employees, first-line managers have a significant impact on productivity and employee motivation. Their primary roles include tasks such as organizing schedules, assigning work, and ensuring that tasks are completed efficiently and effectively.