Short Answer: All work should be performed in EXCEL. These questions are similar to the homework. Please show all work, you earn credit by illustrating how you got the answer and for the answer itself. Even if your ultimate answer is incorrect, by showing your work, 16. Costs are often identified as either an inventoriable product cost or a period cost. Instructions For each item listed below, indicate in the space to the left whether the item would be considered an inventoriable cost or a period cost for a manufacturing company. Use the following code: I - Inventoriable cost P = Period cost 1. Factory supervisory salaries 2. Sales commissions 3. Income tax expense 4. Indirect materials used 5. Indirect labor 6. Office salaries expense 7. Property taxes on factory building 8. Sales manager's salary 9. Factory wages 10. Direct materials used