Table 22 If We Added a Cumulative Percentage Column to Table 2

Table 2.2
$\begin{array}{|l|l|l|}\hline \text {TABLE 2.2 AGES OF}\\\text {RESPONDENTS}\\\hline \text { ClassIntervals } & \text { Frequency } & \text { Percentages } \\\hline 18-23 & 5 & \\\hline 2429 & 21 & \\\hline 30-40 & 10 & \\\hline \text { TOTAL } & 36 & \\\hline\\\end{array}$
If we added a cumulative percentage column to Table 2.2 and began our calculations with the 18-23 interval,the entry in the 30-40 interval would be

A) 10%.
B) 33.3%.
C) 37%.
D) 100%.