Use the following data to compute total factory overhead costs for the month: Sales commissions……………………….. $10,800 Direct labor 39,600 Indirect materials…………………………. 15,200 Factory manager salaries 7,200 Factory supplies 9,000 Indirect labor 6,300 Depreciation–office equipment………… 5,000 Direct materials…………………………… 40,500 Corporate office salaries 42,500 Depreciation–factory equipment 7,500