l need only question number 4

Supply Chain Management Assignment/ Inventory Management Professor Ayman Abdallah Second Semester 2021/2022 Question 1 The monthly demand of one product is 6750 units. Ordering cost is 25 JD per order. The unit price is 100 JD. Holding cost per unit per year is 5% of a unit price. The company operates 270 days per year. a) What is the economic order quantity (EOQ)? b) What is the number of orders per year? c) What is the expected time between orders? d) What is the total annual cost of holding and ordering the inventory? e) What is the average inventory level? f) What is the maximum inventory level? X Question 2 The daily demand of one product is 64 units. Holding cost per unit per year is 4 JD, and ordering cost is 150 JD per order. The company operates 300 days per year. Lead time is 5 days and the re-order point is 440 units. a) What is the economic order quantity (EOQ)? b) What is the total annual cost of holding and ordering the inventory? c) What is the safety stock level? X Question 3 The monthly demand of one product is 5000 units. The daily production rate is 625. Holding cost is 5 JD per unit per year. Set up cost for a production run is 60 JD. the company operates 240 days per year. a) What is the optimal run size (EPQ)? b) What is the minimum total annual cost of holding and set up? c) What is the cycle time for the optimal run size? d) What is the run time? Question 4 The expected annual demand of one product is 1200 units. Ordering cost is 13.5 JD per order. Holding cost per unit per year is 20% of a unit price JD. The company received the following offer: Quantity (units) Price (JD) 1-99 100-199 200-299 300 and more 20 18 17 16 a) Determine the optimal order quantity and the minimum total cost b) Determine the maximum inventory level c) Determine the average inventory