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

The table below shows the distribution of income in the U.S. in the year 1978.Table 19.1

-According to Table 19.1, what percentage of income is received by the top 40% of the population?

A) 41.6%
B) 51.9%
C) 60.8%
D) 56.2%
E) 68.6%