Which meal-type service has a set rate plus an operational charge?

The correct answer is buffet service, which operates on a pricing structure that typically includes a set rate for the meal itself and an additional operational charge.

In buffet service, diners serve themselves from a variety of food stations, allowing for a communal dining experience that can accommodate larger groups effectively. The set rate covers the cost of the food selections available, while the operational charge accounts for additional services such as setup, staffing, and cleanup. This distinction is important because it reflects how buffet service provides flexibility and value to both the service provider and the customer, making it a popular choice for events and gatherings.

Other meal types like plated service or family style do not usually have a separate operational charge; instead, their costs are typically included in the overall pricing per guest. Drop-off service generally involves delivering pre-prepared meals to an event without the need for extensive on-site service, which also affects its pricing structure differently.