Potion                $
-----------------------------
  booze (sake)          50
  fruit juice           50
  see invisible         50
  sickness              50
-----------------------------
  confusion            100
  extra healing        100
  hallucination        100
  healing              100
  restore ability      100
  water (clear)        100
-----------------------------
  gain energy          150
  invisibility         150
  monster detection    150
  object detection     150
  blindness            150
-----------------------------
  enlightenment        200
  levitation           200
  speed                200
-----------------------------
  gain ability         300
  gain level           300
  paralysis            300