Final answer:
The individual responsible for the food establishment during an inspection ensures operations run smoothly. As a manager, you efficiently handled customer complaints about payment lines by implementing a straightforward system, leading to improved service and reduced complaints.
Step-by-step explanation:
The individual who is present at a food establishment during an inspection and is responsible for operations at that time is typically a manager or a person in charge. In the context described, as the lunch-hour manager at Gavi's Fast Food Restaurant, the responsibility fell on you to resolve customer complaints and ensure smooth service. When customers expressed concerns about confusing payment lines, you took swift action by introducing floor markings to direct customers to the appropriate cash registers, resulting in a reduction of complaints and stress for the clerks, and improving overall efficiency during high-traffic periods.