L. L Bean Case Study

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Three methods that L.L. Bean uses to determine past demand data and a specific item forecast to decide how many units of that to stock are: frozen forecast, A/F ratio demand, and forecast demand. Frozen forecast is based on items in the future period, which is done by the forecasting department and it involves book forecasting and past demand data. One advantage is that this forecast is used together with historical forecast errors, known as A/F ratios. A/F ratios are comprised of past season items and actual demand. Having this information, Bean will be able to estimate the range of inventory that the product will be in the upcoming season after converting the point forecast into a demand distribution. E.g., a 50% chance that the forecast …show more content…

Another method is forecast demand, which is based on service level via profit margin calculations. Bean will have to consider the contribution margin in case an item is bought vs. the liquidation costs spent if the item is not demanded. To calculate the item’s probability distribution of demand is a critical ratio of under stocking costs that is relative to the sum of under stocking and overstocking costs. This calculation determines at what point it is optimal to hold the stock in order to balance overstocking and under stocking costs. Critical ratio is combined with the corresponding forecast error and the number of items to stock is the product of these two numbers and the frozen …show more content…

2) Knowing the selling price of the item. And from the first two pieces of data Bean is then able to calculate the profit margin generated from each individual item. Thus, profit margin = selling price – cost of item also relates to the costs of under stocking. 3) Knowing the liquidation cost of an item to calculate the costs of overstocking. With these calculations, Bean can use these methods mentioned in Q1 to decide what the final amount of items to stock are. Furthermore, Bean will need to compare the costs associated with under stocking relative to the sum of under stocking plus overstocking inventory. However, the costs of under stocking should not only include short terms losses, i.e. loss of sale for that item at that time, but also the loss of future business due to customer dissatisfaction. Bean must also consider that if a particular item is not in stock that entire purchase order may be cancelled. Costs of overstocking should include costs to hold inventory and consider that these might change if the salvage value of a product leftover is depended upon the number of units remaining at the end of the season. If there is a lot of product leftover, then the liquidation value might decrease and items will be transferred to next

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