Identify whether the cost object is a Product Cost or Period Cost. Write PR for Product Cost and PE for Period Cost. 1. The cost of the memory chips used in a radar set 2. Factory utilities 3. Factory equipment maintenance cost 4. Training costs for new administrative employees 5. The cost of the solder that is used in assmbling the radar set 6. The travel costs of the company's sales persons 7. Wages and salaries of factory security 8. The cost of airconditioning for executive offices 9. Wages and salaries in the department that handles billing customers 10. Depreciation on the equipment in the fitness room used by factory workers 11. Telephone expense incurred by factory management 12. The cost of shipping completed radar sets to customers 13. The wages of the workers who assembled the radar sets 14. The president's salary 15. Health insurance premiums for factory personnel