Using the following information, compute the direct materials used. $ 20000 40000 18000 12000 Raw materials inventory, January 1 Raw materials inventory, December 31 Work in process, January 1 Work in process, December 31 Finished goods, January 1 Finished goods, December 31 Raw materials purchases Direct labor Factory utilities Indirect labor 40000 32000 1600000 760000 150000 50000 400000 Factory depreciation Operating expenses 420000 1 O $ 1580000 $1600000. O $ 1620000 O $1660000 Save for Later