-Which of the Following Is Boardman Company's Total Conversion Cost

$\begin{array}{l}\text { Boardman Company reported the following data for the month of January: }\\\begin{array} { | l | r | r | } \hline \text { Inventories: } & \mathbf { 1 } / \mathbf { 1 } & \mathbf { 1 / 3 1 } \\\hline \text { Raw materials } & \$ 32,000 & \$ 31,000 \\\hline \text { Work in process } & \$ 18,000 & \$ 12,000 \\\hline \text { Finished goods } & \$ 30,000 & \$ 35,000 \\\hline\end{array}\end{array}$
$\begin{array} { | l | r | } \hline \text { Additional information: } & \\\hline \text { Sales revenue } & \$ 210,000 \\\hline \text { Direct labour costs } & \$ 40,000 \\\hline \text { Manufacturing overhead costs } & \$ 70,000 \\\hline \text { Selling expenses } & \$ 25,000 \\\hline \text { Administrative expenses } & \$ 35,000 \\\hline\end{array}$
-Which of the following is Boardman Company's total conversion cost for January?

A) $110,000.
B) $170,000.
C) $135,000.
D) $130,000.