Amoeba Manufacturing Company Provided the Following Information for the Year

Amoeba Manufacturing Company provided the following information for the year 2015: $$\begin{array} { | l | r | } \hline \text { Purchases-Raw Materials } & \$ 90,000 \\\hline \text { Plant Utilities \& Insurance } & 67,500 \\\hline \text { Indirect Materials } & 11,750 \\\hline \text { Indirect Labor } & 4,750 \\\hline \text { Direct Materials Used in Production } & 96,000 \\\hline \text { Direct Labor } & 117,500 \\\hline \text { Depreciation on Factory Plant \& Equipment } & 6,000 \\\hline\end{array}$$ The inventory account balances as of January 1^st 2015 are given below.
$$\begin{array} { | l | r | } \hline \text { Raw Materials Inventory } & \$ 42,000 \\\hline \text { Work-in-Process Inventory } & 12,000 \\\hline \text { Finished Goods Inventory } & 49,500 \\\hline\end{array}$$ What is the ending balance in the Raw Materials Inventory account?

A) $54,000
B) $6,000
C) $111,000
D) $24,250