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Chapter 23. Professional Charting Techni... > Creating Cost and Production Curves ...

Creating Cost and Production Curves with Charts for Variance

What is a cost curve or production curve? As a process happens over time, cost accumulates over time, as do production, percentages, and so on. All too often, people have difficulty measuring and understanding how to view information over time, especially when they need to draw some relevant conclusion from the data. This section begins by establishing a table that provides projected weekly costs, and then, as the costs are incurred, applies that information as well (see Figure 23.35). By knowing how to lay out the underlying data, you can create charts that have meaning, instead of charts that have only graphic appeal. (You can find more information in Chapters 20, 21, and 22.)

Figure 23.35. By setting up a cost curve table in this fashion, you can establish a usable measuring tool in the form of a line chart that gives a visual of what has occurred over time.



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