Lisa Fleet, the manager of an automotive repair shop, hopes to achieve a better
ID: 3311729 • Letter: L
Question
Lisa Fleet, the manager of an automotive repair shop, hopes to achieve a better allocation of inventory control efforts through an examination of historical usage for various parts. Lisa is concerned about being able to provide superior service in order to command a competitive advantage over other local repair shops. That is one reason Lisa keeps her shop open seven days a week, 52 weeks per year. Currently, her shop inventories over 1,000 items. Although a priority of Lisa's is providing superior customer service, there are also a large number of local competitors so cost control is equally important. By keeping an inventory of some items (e.g., wiper refills), she is better able to get customers back on the road more quickly. Furthermore, Lisa uses a bar coding system that provides her a continuous count of the items she keeps inventory. Lisa has collected the following system data: Lisa's parts supplier guarantees her next day delivery, seven days a week, for all Lisa estimates her annual holding cost to be about 5 percent of the item purchase Lisa estimates the activities required to place an order cost about $25. Below you will find historical demand figures of 8 different items. In addition, the average service time and service time standard deviation it takes Lisa's shop to service a vehicle requiring the item is noted. Average Standard Deviation Iem Average Shop Shop Service Time ltem Weckly Demand of Weekly Demand Purchase Price Service Tims Std Deviation i day 1 day negligible 1 hour l day 1 day 1 day negligible 3 days 4 days 10 minutes Water pump Starter motor Battery Spark plug 4 units 28 units 79 units 183 units 25 units 8 units 5 units 91 units 1 unit 5 units 12 units 23 units 6 units 2 units 1 unit 4 units 225 12 175 190 14 2 days 4 days 4 days 5 minutes Alternator Wiper refill 1. In order to implement her desire to utilize a continuous review inventory system, Lisa needs to make a variety of modeling assumptions for each item in order to determine the appropriate order quantity (0). Identify the relevant modeling assumptions in the following list for Lisa by checking the associated box. known and constant cost information target (maximum) inventory value no stock outs allowed lead time parameters (avg and ) known and constant order lead time known and constant demand rate number of items in her system standard deviation of lead time demand desired service level one product storage space requirements no quantity discounts permitted desired length of review period instantaneous resupply competition's cost information order interval to useExplanation / Answer
The top image is not clearly visible(kindly repost) and also could you attach additional information.
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