Final answer:
Pests in a restaurant can contaminate food and surfaces, cause health hazards, and damage property.
Step-by-step explanation:
The greatest concern about having pests in the restaurant is that they will contaminate food and surfaces, cause health hazards, and damage property. Pests such as insects, animal feces, and other foreign bodies can contaminate the food, leading to foodborne illnesses. They can also spread germs and diseases, posing health risks to both staff and customers. Additionally, pests can cause damage to the property, including the structure, equipment, and inventory.