Excel offers a stacked bar chart type. This type allows you to break a bar, such as total sales,
to show components.
In the top chart in Figure 4.5, only one component is called out. The subject of the chart is
this one component of product cost, showing how Company A has a significant cost advan-
tage. You should use this chart type sparingly. The reader of the chart is able to make a
judgment about the size of the black bar for the major subcomponent. The reader of the
chart is also able to make a judgment about the total size of the bar. It is difficult ...
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