<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><DIV>dear Derron ,</DIV>
<DIV>Thanks a lot for your exhaustive explanation, this really satisfies my curiosity and i can now answer my graduate students next tuesday .</DIV>
<DIV> </DIV>
<DIV>alllllll the best </DIV>
<DIV>Mostari <BR><BR></DIV></td></tr></table><br>