As Chаvez wаlked intо his custоmer's оffice, he sensed the customer wаs in a bad mood. Therefore, Chavez told his customer, "I realize your degree in chemistry makes you the expert on insecticides, but I suggest that you try my company's new line of organic insecticides. Other dealers have had great success with this line, and I know this product would provide your store, which is so well run, with a good profit margin also." What type of a close was Chavez using?