The following information is used for the next two problems. Given the following account balances, what is the cost of direct material used? Raw materials inventory, Dec 31, 2018 $30,000 Work in process inventory, Dec 31, 2018 20,000 Finished goods inventory, Dec 31, 2018 80,000 Raw materials inventory, Dec 31, 2019 35,000 Work in process inventory, Dec 31, 2019 15,000 Finished goods inventory, Dec 31, 2019 70,000 Raw materials purchases $ 90,000 Direct labor 50,000 Factory computer supplies used 5,000 Indirect labor 7,000 Repairs-factory equipment 2,000 Rent cost of factory building 10,000 Advertising expense 60,000 General and administrative expenses 120,000