Littlefield Executive Summary

Category: Investment
Last Updated: 17 Aug 2022
Essay type: Summary
Pages: 3 Views: 1330

Production Planning and Inventory Control CTPT 310 Littlefield Simulation Executive Report Arlene Myers: 260299905 Rubing Mo: 260367907 Brent Devenne: 260339080 Miyaoka Scenario, Re: Littlefield Technology Simulation Game: Inventory Management Executive Summary At the onset of the game, we determined there were a few key things that had to be addressed to succeed. The first was to avoid stock outs which had already occurred in the first 50 days. We quickly moved to avoid stock outs by raising the order point.

We did this without formal calculations at first to ensure we did not suffer anymore stock outs while we did the analyses. Upon further analysis, we determined the average demand to date to have been 12. 3 orders per day. We forecast demand to stay relatively stable throughout the game based on the information provided. The standard deviation for the period was 3. 64 and the safety factor we decided to use was 3. 0 (98. 86% certainty). Based on the consistent lead time of 4 days, we needed ? 49 kits plus safety stock of 2 x 3. 64 x 3 ? 2 which gave us our order point of 71 kits. Immediately after determining this, we moved to the EOQ: EOQ=2* 3216*1000. 1* 600

This equation gave us our final order quantity of 327, although based on slight demand fluctuations we had been at 321 prior to that. Our next move was to determine what machines need to be purchased and how many. Our strategy was to get lead times down below . 5 days and offer customers that lead time to maximize revenue. The difference between remaining at $750/order vs. $1250/order could have been as high as 1. million dollars over the life of the game (218 days) therefore the cost of new machines was small compared to the benefit and the overall revenue potential made it imperative to get to the lowest lead times possible. Because all stations were at times operating at full, we knew that all would create a bottleneck if left to operate as is. We could also see based on the order intake on a given day as compared to their operating ratio for the various stations, that a single machine added to each may be sufficient.

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We immediately decided to purchase machines for all stations believing this may be sufficient to drop lead times to our target. Shortly after purchasing these machines, we changed to contract #2, and after more monitoring we were able to fairly quickly change to contract #3 without any further machine purchases. We monitored lead times and revenues constantly, but at no time felt that the purchase of additional machines was necessary. We believe that our speed at getting these decisions made, and the changes put in place, was crucial to our eventual success.

We did see large drops in cash when inventory was purchased but believed that we had done the correct calculations and that we were best to stay the course. We did exactly that until shortly before the time we were to lose control of the factory. We looked at several different strategies to ensure stock was available throughout the last 50 days of the game and that we got caught with minimal inventory at the end of the game. The original plan was to order sufficient inventory and safety stock and carry it through, but upon changing our order point, we quickly realized that we had inadvertently order 350 kits immediately.

This forced us to change the strategy slightly, we lowered the order point to almost lead times based on the consistency of the demand and safety stock, and calculated the units we would require, plus enough to ensure that we did not order kits immediately prior to the shutdown. If this plan had worked perfectly, we would have ended up with 51 kits in stock, but that would have required that the demand during the last 50 days be higher than the average. This could have happened based on standard deviation, but as it turns out the daily average demand for the period was exactly 12.

We ended up with 182 kits remaining, obviously more than we had hoped, but we did not get caught with an outstanding order, or a huge number of units. In conclusion we ended the game in first place and therefore would change very little about how we played the game. We would have been able to reduce the inventory on hand at the end of the game, but the fundamental strategy of getting lead times below . 5 days and maximizing revenue, and our willingness to trust that the calculations made would lead to maximum revenue despite times when we dropped from first, allowed us to win this game.

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Littlefield Executive Summary. (2017, Jan 13). Retrieved from

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