A voice in the drive-through speaker asks, “What can I get y…

A voice in the drive-through speaker asks, “What can I get you?” and Marcel orders his meal. When the car in front of him gets their order and moves out of the line, Marcel drives up to the drive-through window. An employee opens the window and tells Marcel the price of his meal. After Marcel pays for his meal, he receives his food. This is an example of a: