cracked granite countertop

From the other side of the spectrum I am the general managerfor a Granite (http://tanbrown.org) fabrication company in Texas we have a Counter (http://GialloFiorito.com) top in which wefound a fisher crack at the sink area so we employed one of the best repairspecialist I could find, the job was perfect the client was looking in thewrong area feeling and (http://maplered.com) assessing the job, it was so invisible but the wifeexact words are( I know it is still there and (http://maplered.com) I cant accept it.) What do I donow I am very aware of our responsibility to please our clients and (http://maplered.com) ourworkmanship and (http://maplered.com) quality of or service but sometimes we get a client that no materwhat is done they are unhappy? Am I liable to replace?