The following account balances has been extracted from Jimbob Co.'s general ledger Direct materials used in production $200,000 Depreciation factory building $10,000 Depreciation factory equipment $50,000 Depreciation sales department automobiles $10,000 Direct wages factory employees $200,000 Sales department salaries and commissions $150,000 Factory manager's salary $50,000 Utility costs factory $50,000 Utility costs sales office $20,000 What was the total of manufacturing overhead? Select one: a. $740,000 b. $110,000 O C. $160,000 d. $400,000