I just finished reading this volume.
Spoiler for Economy lesson:
This volume's economy theme is "
Derivative" in this case commodities option of
iron pyrite. I think alot of you are going to be lost in some of the finacial meaning like Amati on this one since it really is a difficult to understand finacial item that many do not really understand.
This in conjunction with currency exchange rate is what oil transaction in the real world is and not even the brightest has answers.
One more thing.