Right before the fifth race at Santa Anita, the word got out that one of the three horses was going to win the race: Lightning Bolt, a 2-1 shot; Golden Honey, a 3-1 shot; or Matchmaker, a 4-1 shot.
Assuming that this tip is true, how much would you have to bet on each of the three horses to be assured of coming out with a $ 39 profit?