In what country do the first five chapters of Part II of Study in Scarlet take place?

answer: dinner and a movie with your friends this saturday night.

opportunity cost refers to the benefits that a person or business misses out on when choosing one alternative over another. opportunity costs are easy to miss, but they can be important for decision-making. in this example, the alternative that the person will miss out on is the opportunity to have dinner and watch a movie with friends on saturday, as he will have no money left after buying the cd.

i dont know if your mis-read or whatever but that says 30 points also. its not so very surprising knowing that the words he spoke was english, the aspect of his "language" i'd say is pretty rare and is very unique to pronounce.