In the Book the Fortune at the Bottom of the Pyramid

In the book The Fortune at the Bottom of the Pyramid: Eradicating Poverty Through Profits,author C.K.Prahalad argues:

A) The world will see a shrinkage of bottom-of-the-pyramid consumers in the next ten years
B) Targeting bottom-of-the-pyramid consumers can be a valuable marketing effort
C) Bottom-of-the-pyramid consumers represent a financial drain on international marketers
D) Improvements in infrastructures will make bottom-of-the-pyramid consumers less relevant
E) Bottom-of-the-pyramid consumers have different wants and needs