Complete Table 21 $\text { Table } 21.5$ The Total Cost of 3 Units of Output in Table

Complete Table 21.5:
$\begin{array}{c}\begin{array}{lll}\underline{Q}\\{0} \\1 \\2 \\3 \end{array}\begin{array}{lll}\underline{\mathrm{TFC}}\\\underline{\quad\quad}\\\underline{\quad\quad}\\\underline{\quad\quad}\\\underline{\quad\quad}\\\end{array}\begin{array}{lll}\underline{\mathrm{TVC}}\\\underline{\quad\quad}\\\underline{\quad\quad}\\\underline{\quad\quad}\\15\\\end{array}\begin{array}{lll}\underline{\mathrm{TC}}\\15\\23\\\underline{\quad\quad}\\\underline{\quad\quad}\\\end{array}\begin{array}{lll}\underline{\mathrm{AVC}}\\--\\\underline{\quad\quad}\\\underline{\quad\quad}\\\underline{\quad\quad}\\\end{array}\begin{array}{lll}\underline{\mathrm{MC}}\\--\\\underline{\quad\quad}\\4\\\underline{\quad\quad}\\\end{array} \end{array}$

$\text { Table } 21.5$
The total cost of 3 units of output in Table 21.5 is

A) $30.
B) $15.
C) $23.
D) $38.