Figure 2.
A line graph displays the number of boxes across 24 months with fluctuations and a dashed trend line showing overall growth.The graph illustrates the number of boxes tracked over 24 months. The horizontal axis represents months 1 to 24, and the vertical axis ranges from 0 to 80. The line shows fluctuating values, with several sharp rises and falls, including a low near month 8 and a sharp peak around months 19 and 20. Despite the volatility, the dashed trend line slopes upward, indicating gradual overall growth in the number of boxes by the end of the observed period.

Fluctuation of the inventory of a certain product in the case company

Source: Created by the authors using data from the case PSC (used with permission)

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