(Figure: Cost Schedule) in the Figure, the Average Fixed Cost

(Figure: Cost Schedule) In the figure, the average fixed cost to produce four units is:
$\begin{array}{|c|c|c|c|}\hline \text { Quantity } & \text { Fixed Cost } & \begin{array}{c}\text { Variable } \\\text { Cost }\end{array} & \begin{array}{c}\text { Marginal } \\\text { Cost }\end{array} \\\hline 0 & \$ 11 & \$ 0 & - \\\hline 1 & 11 & 3 & \$ 3 \\\hline 2 & 11 & 8 & 5 \\\hline 3 & 11 & 14 & 6 \\\hline 4 & 11 & 23 & 9 \\\hline 5 & 11 & 36 & 13 \\\hline\end{array}$

A) $11.
B) $2.75.
C) $3.67.
D) $5.50.