Exercise 14-4 Knight Company reports the following costs and expenses in May. Factory utilities $16,200 Direct labor $69,800 Depreciation on factory equipment 13,350 Sales salaries 48,100 Depreciation on delivery trucks 4,900 Property taxes on factory building 3,500 Indirect factory labor 49,600 Repairs to office equipment 2,300 Indirect materials 82,900 Factory repairs 2,910 Direct materials used 138,700 Advertising 16,300 Factory managers salary 8,900 Office supplies used 2,850 From the information: Determine the total amount of manufacturing overhead. Manufacturing overhead $ Link to Text Determine the total amount of product costs. Product costs $ Link to Text Determine the total amount of period costs. Period costs $