Indicate whether each cost is a product cost or a period cost. 1. Salaries for broom inspectors. 2. Copy machine maintenance at corporate headquarters. 3. Hourly wages for assembly workers. 4. Research and development for new broom types. 5. Salary for factory manager. 6. Depreciation on broom-assembly equipment. 7. Salary for the CEO administrative assistant. 8. Wood for handles. 9. Factory cleaning supplies. 10. Lubricants for broom-assembly factory equipment. 11. Salaries for customer service representatives. 12. Salaries for factory maintenance crew. 13. Sales team golf outings with customers. 14. Salaries for the raw materials receiving department employees. 15. Advertising expenses. 16. Depreciation on the CFO company car. 17. Straw for brooms. 18. Salaries for sales personnel. 19. Shipping costs to customers