Using $3,186,000 as the cost of goods manufactured, compute the cost of goods sold using the following information: Raw materials inventory, January 1 $20,000 Raw materials inventory, December 31 40,000 Work in process, January 1 18,000 Work in process, December 31 12,000 Finished goods, January 1 40,000 Finished goods, December 31 32,000 Raw materials purchases 1,840,000 Direct labor 760,000 Factory utilities 150,000 Indirect labor 50,000 Factory depreciation 400,000 Operating expenses 420,000 a.) $3.192,000 b.) $3,178,000 c.) $3,194,000 d.) $3,154,000