S 14-4 (Algo) Classifying product and period costs LO C2 Classify each of the following costs as either a product cost or a period cost for a manufacturer. 1. Depreciation on office equipment. 2. Rent on factory building. 3. Factory utilities. 4. Salesperson salary. 5. Wages paid to assembly line workers. 6. Administrative expenses. 7. Advertising. 8. Factory manager's salary