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