Find the centroid of the region shown,not by integration,but by locating the centroids of the rectangles and triangles and using additivity of moments. 
Definitions:
Options Pricing Model
Mathematical models used to calculate the theoretical value of options contracts based on various factors like the underlying asset's price, strike price, and time to expiration.
Performance-Based Stock Option Plan
A stock option program that ties the vesting or value of options to the achievement of specific performance targets, aligning employees' interests with corporate goals.
Compensation Expense
The total cost incurred by a company to compensate its employees, including wages, benefits, bonuses, and stock options.
Sales Increase
An upward trend in the volume or value of products or services sold by a business within a specific period, indicating potential growth or market acceptance.
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