Josh Is Eating Pizza at His Favorite Italian Restaurant Table $19.1$

Josh is eating pizza at his favorite Italian restaurant. Below is his utility from this consumption:
$\begin{array}{|l|l|l|}\hline & \text { Total Utility } & \text { Marginal Utility } \\\hline \text { First slice of pizza } & 20 & 20 \\\hline \text { Second slice of pizza } & 39 & 19 \\\hline \text { Third slice of pizza } & - & 15 \\\hline \text { Fourth slice of pizza } & 59 & - \\\hline\end{array}$
Table $19.1$ Refer to Table 19.1.The marginal utility Josh enjoys from the fourth slice of pizza is

A) 20 utils.
B) 54 utils.
C) 5 utils.
D) 0 utils.