Final answer:
Leaving a customer's premises with all garbage is generally expected and shows respect for their space.
Step-by-step explanation:
When leaving a customer's premises, it is generally good etiquette to take all garbage with you. This helps to maintain cleanliness and shows respect for the customer's space. By cleaning up after ourselves, we contribute to a positive social environment. Therefore, the statement 'You should take all garbage with you when leaving a customer's premises' is True. Additionally, it contributes to a clean and organized environment, which is appreciated by customers. Always follow any specific guidelines or policies provided by the customer or organization regarding waste disposal.