A college student sent the following letter to her parents: Hi Parent$! Today i$ $eptember 15. I'm doing $uperb in $chool (or, $hould I $ay, college). The teacher$ are great, my roommate$ are great, and I'm having a $uper time! All I could u$e right now is a little ca$h. To which the parents responded: Hi daughter! NOthing happening on this end. Something's wrong, because you kNOw, we got this letter in NOvember. I am NOt worrying about anything down here, kNOck on wood huh? Your loving parents, NOrden and Morden Finkelstein.