I apologize to anyone who is bored by this thread (so just ignore it from now on), but I am, while not mathmatically challenged, do not understand Richard's logic. I wish someone (we have so many experts on this board who know EVERYTHING) would put it in perspective to me. Arlene, and Joanna, Oy Vay, whatever that means! (Most of my dates in college were with Jewish guys, but it was a long time ago!)