"______ have been the most profitable product in the most profitable industry in the most profitable country in the world."I'll be back with a clue.
Clue: The quotation is from a book I'm reading. The author says that the profit margin for the industry above in 2006 was 18%.
In contrast, the profit margin for the:
- Construction industry was 2%.
- Automotive industry was 1%.
- Even oil industry profits, in 2006, were around 9%.
Update: See my next post for the answer.