Marin Company reports the following costs and expenses in May. Factory utilities $13,000 Direct labor $58,080 Depreciation on factory equipment 10,620 Sales salaries 38,920 Depreciation on delivery trucks 3,240 Property taxes on factory building 2,100 Indirect factory labor 41,120 Repairs to office equipment 1,100 Indirect materials 67,84 Factory repairs 1,680 Direct materials used 115,680 Advertising 12,600 Factory manager's salary 6,800 Office supplies used 2,210 (a) Determine the total amount of manufacturing overhead. Manufacturing overhead $ (b). Determine the total amount of product costs. Product costs ta $ (c). Determine the total amount of period costs. Period costs $