Putney Company reports the following information: Sales $76,500 Direct materials used 7,300 Depreciation on factory equipment 4,700 Indirect labor 5,900 Direct labor 10,500 Factory rent Factory utilities Sales salaries expense Office salaries expense 4,200 1,200 15,600 8,900 Indirect materials 1,200 a. Compute product costs. b. Compute period costs.