Using the Following Information Compute the Cost of Direct Materials

Using the following information compute the cost of direct materials used. $\begin{array}{lr}\text { Raw materials inventory, January 1 } &\$ 30,000 \\\text { Raw materials inventory, December 31 } & 60,000 \\\text { Work in process, January 1 } & 27,000 \\\text { Work in process, December 31 } & 18,000 \\\text { Finished goods, January 1 } & 60,000 \\\text { Finished goods, December 31 } & 48,000 \\\text { Raw materials purchases } & 1,800,000 \\\text { Direct labor } & 890,000 \\\text { Factory utilities } & 225,000 \\\text { Indirect labor } & 75,000 \\\text { Factory depreciation } & 500,000 \\\text { Operating expenses } & 630,000\end{array}$

A) $1740000.
B) $1830000.
C) $1800000.
D) $1770000.