Assume that you are working and that, during the conversation, a customer offers a definite suggestion for improvement of one of the procedures in your department. Which of the following would be the best action to take? A. Explain to them that you have no policy authority. B. Thank them for their suggestion and let the matter rest there. C. Discuss their suggestion at length as to its advantages and disadvantages. D. Thank them for their suggestion and tell them you will bring it to the attention of your supervisor