Refer to the Information Provided in Table 6 -Refer to Table 6

Refer to the information provided in Table 6.1 below to answer the question(s) that follow.
Table 6.1
$$\begin{array} { | c | c | c | } \hline \begin{array} { c } \text { Number of } \\\text { Hamburgers per } \\\text { Day }\end{array} & \text { Total Utility } & \text { Marginal Utility } \\\hline 1 & 30 & \\\hline 2 & 52 & \\\hline 3 & 67 & \\\hline 4 & 76 & \\\hline 5 & & 4 \\\hline \begin{array} { c } \text { Number of } \\\text { Sodas per Day }\end{array} & \text { Total Utility } & \text { Marginal Utility } \\\hline 1 & 20 & \\\hline 2 & 35 & \\\hline 3 & 47 & \\\hline 4 & 57 & \\\hline 5 & & 7 \\\hline\end{array}$$
-Refer to Table 6.1. The marginal utility of the second hamburger per day is

A) 10.
B) 15.
C) 22.
D) 52.