Exhibit 6-1 Total Utility for Good X -As Shown in Exhibit 6-1, the Marginal Utility for the l

Multiple Choice

Exhibit 6-1 Total utility for good X $$\begin{array} { | l | r | r | r | r | r | r | } \hline \text { Total utility (utils) } & 0 & 80 & 120 & 148 & 160 & 155 \\\hline \text { Quantity con sumed per day } & 0 & 1 & 2 & 3 & 4 & 5 \\\hline\end{array}$$
-As shown in Exhibit 6-1, the marginal utility for the fifth unit consumed is:

A) 305.
B) 155.
C) 5.
D) 0.