1 Pick the correct answer (Explain each part briefly (1-2 sentences)): (40 points) 1) (Q,R) policy is from a _____review, while the newsvendor model is from a _____ review. A. continuous, periodic B. continuous, continuous C. periodic, continuous D. periodic, periodic 2) What characterizes a continuous review inventory system? A. Ordering at a fixed time regardless of inventory levels. B. Ordering a fixed quantity depending on inventory levels. C. The cycle time is fixed and never changes. D. Monitoring of inventory is done periodically