Final answer:
The most appropriate response to send off the guests and make them feel welcome and satisfied with their food or custard is 'Thanks a lot! Enjoy your meal!'
Step-by-step explanation:
The most appropriate response to send off the guests and make them feel welcome and satisfied with their food or custard is option B) Thanks a lot! Enjoy your meal!
This response shows gratitude and acknowledges the guests' presence. It also directs their attention to the enjoyment of their meal, which enhances their experience. Saying 'Thanks a lot' adds a personal touch and makes the interaction more friendly.
By choosing this response, the guests are likely to feel appreciated and valued, which will encourage them to come back and dine again.