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Component software design has been a trend in software engineering. In this paper, the theory of component based design is applied to a real world application, the Graduate Student Information and Reporting system at Trent University. This paper demonstrates how existing components can be used and modified to develop a highly functional and user friendly system in a short amount of time. Transformational design models, analysis by stream functions and state transition machines, white-box and black-box reuse on reporting are discussed in details.