The President of the World Bank Has Asked You to Calculate

The president of the World Bank has asked you to calculate the average per capita GDP growth rate of Rwanda from 1980 to 2000.In 1980,per capita GDP was about $1,255 and in 2000 about $1,018.You tell him the average growth rate of per capita GDP is about:

A) 1.0 percent.
B) -1.0 percent.
C) 99 percent.
D) -19.0 percent.
E) -99 percent.