Personal income tax computation - A case study
Rather than explaining the advantages of patterns, the following example will help us to see things in action. Computation of annual income tax is a well-known problem domain across the globe. We have chosen an application domain that is well known for focusing on software development issues.
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The application should receive inputs regarding the demographic profile (UID, Name, Age, Sex, Location) of a citizen and the income details (Basic, DA, HRA, CESS, Deductions) to compute their tax liability. The system should have discriminants based on the demographic profile, and have a separate logic for senior citizens, juveniles, disabled people, female senior citizens, and others. By discriminant we mean ...
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