Find the centroid of the region shown in the figure. 
Definitions:
Contribution Margin
The contribution margin represents the portion of sales revenue that is not consumed by variable costs and can contribute to covering fixed costs and generating profit.
Variable Cost
Costs that change in proportion to the level of production or sales activity.
Units
Basic measures or quantities of product or service in business operations, often used in contexts such as inventory, production, and sales.
Scatter Diagram
A scatter diagram is a graphical representation used to illustrate the relationship between two quantitative variables, helping in identifying patterns or correlations.
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