In the Table, as Samuel's Consumption of Ice Cream Cones

In the table, as Samuel's consumption of ice cream cones increases,
$\begin{array}{|c|c|}\hline \text { Ice Cream Cones } & \text { Total Utility } \\\hline 1 & 50 \\\hline 2 & 90 \\\hline 3 & 125 \\\hline 4 & 150 \\\hline 5 & 165 \\\hline 6 & 175 \\\hline\end{array}$

A) both his total utility and his marginal utility increase.
B) his total utility increases, but his marginal utility decreases.
C) his total utility decreases, but his marginal utility increases.
D) his total utility increases, and his marginal utility decreases then increases.