Table 61 -Refer to Table 6

Multiple Choice

Table 6.1
$$\begin{array} { | c | c | } \hline \text { Pretzels } & \text { Marginal Utility } \\\hline 1 & 30 \\\hline 2 & 20 \\\hline 3 & 5 \\\hline 4 & 2 \\\hline\end{array}$$
-Refer to Table 6.1,which shows the marginal utility of each additional unit of pretzel for a consumer.The first column of the table shows the number of pretzels consumed in a day,and the second column of the table shows the marginal utility of each additional unit of pretzel.The total utility derived from the consumption of three pretzels is _____ units.

A) 5
B) 15
C) 55
D) 57
E) 70