Narrbegin Exhibit 6 -As Shown in Exhibit 6

Narrbegin Exhibit 6.6 Cost schedule for firm X
$$\begin{array} { | c | c | c | } \hline \begin{array} { c } \text { Output } \\\text { quantity }\end{array} & \begin{array} { c } \text { Total Exed } \\\text { cost (\$) }\end{array} & \begin{array} { c } \text { Total variable } \\\text { cost (\$) }\end{array} \\\hline 0 & 100 & 0 \\\hline 1 & 100 & 50 \\\hline 2 & 100 & 84 \\\hline 3 & 100 & 108 \\\hline 4 & 100 & 127 \\\hline 5 & 100 & 150 \\\hline\end{array}$$
-As shown in Exhibit 6.6, the average fixed cost of producing the fifth unit is:

A) $0.
B) $20.
C) $25.
D) $100.