The Table Below Shows the Distribution of Income in the U.S.in

The table below shows the distribution of income in the U.S.in the year 1978. Table 19.1
Refer to Table 19.1.What percentage of income is received by the bottom 20% of the households?

A) 10.3%
B) 43.9%
C) 24.7%
D) 4.3%
E) 16.9%