What is the most appropriate closing to include in a response to a customer's email inquiry for product information?

The most appropriate closing to include in a response to a customer's email inquiry for product information is one that expresses gratitude while also encouraging further communication.

In this case, saying "Thank you for your interest in our products" demonstrates appreciation for the customer's inquiry, creating a positive rapport. Additionally, inviting the customer to ask any further questions shows a willingness to assist and engage, which is crucial in building customer relations and ensuring they feel valued. This response indicates to the customer that their needs are acknowledged and that support is readily available, thereby fostering a more personalized and attentive service experience.

The other choices fail to meet the intent of a follow-up to a product inquiry. The focus should be on addressing the customer's request for information rather than confirming an order, apologizing for an inconvenience, or providing specific product details without inviting further interaction.