Figure $18-7$ shows the Lorenz curve for a hypothetical country.

Refer to Figure $18-7.$ The second lowest $20$ percent of households $-$ the $2$ nd quintile between the $20\%$ and $40\%$ on the $"x"$ axis. Hint: this is a bit tricky, you have to find the percentage for just this quintile. You'll do a subtraction!

A$)$ earn $12$ percent of the society's total income.

B$)$ earn $16$ percent of the society's total income.

C$)$ earn $28$ percent of the society's total income.

D$)$ earn $40$ percent of the society's total income.