The elasticity of propoor growth is ?

A. the percentage increase in the consumption growth of the poor divided by percentage increase in the consumption growth of the nonpoor
B. the percentage increase in the poor times percentage increase in the nonpoor
C. the percentage increase in the poverty of the poor divided by percentage increase in the poverty of the nonpoor
D. the percentage increase in the poor people in the Urban divided by percentage increase in the nonpoor in the urban