6. Which of the following forecasting methodologies is considered as a qualitative forecasting technique? A. Simple moving average B. Delphi method C. Linear regression D. None of the above 7. If demand is deterministic (no uncertainty in demand) in an economic order quantity (EOQ) model, then: A. Safety stock is equal to the re-order point B. Re-order point is equal to zero C. Lead time is equal to zero D. None of the above 8. Which of the following is NOT a part of inventory costs? A. Shortage costs B. Holding costs C. Setup costs D. Lead time waiting costs 9. If we use a simple exponential smoothing method with a=0.3, F1=100 and F12=120, what is your forecast for next year? A. 120 B. 126 C. 128 D. None of the above 10. Which one is NOT part of the reasons to keep inventory? A. To allow flexibility in production scheduling B. To meet variation in product demand C. To maintain dependence of operations D. To provide a safeguard for variation in raw material delivery time