In the Year 2007, the Five Richest Countries Had a Per

Multiple Choice

In the year 2007, the five richest countries had a per capita GDP ________ times higher than the five poorest countries. Differences in capital per worker explain about ________ percent of this difference, with total factor productivity making up about ________ percent of this difference.

A) 60; 6; 10
B) 45; 10; 4.5
C) 5/4s; 1/4; 5
D) 18; 108; 6
E) 108; 6; 18