(a) What is the EOQ?
(b) What is the ROP?
(c) Is the ROP greater than the EOQ? If so, how is this situation handled?
(d) What is the average inventory? What is the annual holding cost?
(e) How many orders per year would be placed? What is the annual ordering cost?
6-36 Jan Gentry is the owner of a small company that produces electric scissors used to cut fabric. The annual demand is 8,000 scissors, and Jan produces the scissors in batches. On average, Jan can produce 150 scissors per day, and during the production process, demand for scissors has been about 40 scissors per day. The cost to set up the production process is $100, and it costs Jan 30 cents to carry one pair of scissors for one year. How many scissors should Jan produce in each batch?
6-46 For SKU A3510 at the Hardware Warehouse, the order quantity has been set at 150 units each time an order is placed. The daily demand is normally distributed, with a mean of 12 units and a standard deviation of 4. It always takes exactly five days for an order of this item to arrive. The holding cost has been determined to be $10 per unit per year. Due to the large sale volume of this item, management wants to maintain a 99% service level.
(a) What is the standard deviation of demand during the lead time?
(b) How much safety stock should be carried, and what should be the reorder point?
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