The Following Table Lists the Utility That Sarah Receives from Consuming

Multiple Choice

The following table lists the utility that Sarah receives from consuming bananas at $0.25 a banana. What is the marginal utility of consuming the fourth banana? $\begin{array}{|c|c|}\hline \text {Number of bananas}& \text {Total utility}\\\hline 0 & 0 \\\hline 1 & 10 \\\hline 2 & 22 \\\hline 3 & 32 \\\hline 4 & 40 \\\hline 5 & 46 \\\hline\end{array}$

A) 40
B) 32
C) 8
D) 2