When I don't know the answer to a question, I take a step back and I let the customer know, hey, I don't have the answer to that right now, but I'm going to go ahead and do the research so that I can find out, and I will get that information to you in just a moment. I don't like to keep the customer waiting and wondering, well, why doesn't she know the answer already? I like to make sure that while they're asking, I do the research, get them what I know at that moment, or if I don't know anything at that moment and I need to do further research, let them know and take less than a minute to get them the answer.