The actions led to significant impr

The actions led to significant improvement in the service performance across all categorization groups (Fig. 9) and the company was able to exceed the set target even though the sales order lines had almost doubled during that time. Considering the stock-out costs (Fig. 10), the distribution of the costs remained relatively on the same level as before the analysis. However, the company was able to reduce the total costs related to the stock-outs by 36%. In the top five highest stock-out cost groups, the summarized relative cost distribution had decreased from 80% to 69%.