Current Attempt in Progress Using the following information, compute the cost of direct materials used. (Assume that all raw materials used were direct materials.) Raw materials inventory, January 1 $35000 Raw materials inventory, December 31 65000 Work in process, January 1 27000 Work in process, December 31 18000 Finished goods, January 1 60000 Finished goods, December 31 48000 Raw materials purchases 1600000 Direct labor 890000 Factory utilities 225000 Indirect labor 75000 Factory depreciation 500000 Operating expenses 630000 O $1635000. O $1600000. O $1535000. O $1570000