In the beginning of the case McGraw thinks he has never encountered such a complex business challenge as the one he currently faces.

In the beginning of the case McGraw thinks he has "never encountered such a complex business challenge" as the one he currently faces. By the end of the case, after he has read the ideas listed in the four memos, McGraw can’t believe he ever thought the investment issue was "going to be a hard one." What changed the president’s perspective? What strategic decision-making process does McGraw pursue?