Complete Table 19 Table $19.2$ Utility Schedule in Table 19

Multiple Choice

Complete Table 19.2 below:
$\begin{array}{lll}\text { Quantity } & \text { Total } & \text { Marginal } \\\text { Consumed } & \text { Utility } & \text { Utility }\\1 & 15 & 15 \\2 & -& 9 \\3 &30 & - \\4 & -& 3\end{array}$
Table $19.2$
Utility Schedule In Table 19.2, diminishing marginal utility occurs

A) With the second and fourth units only.
B) With the first and third units only.
C) Only with the second unit.
D) With all units after the first.