1. The package on the left contains the classes in a payroll system. The package on the right is a payroll tax subsystem.
a. What technique would you use to integrate the tax subsystem into the payroll system?
b. Show how you would solve the problem.
c. Show what modifications you would make to the existing classes or what NEW classes you would add. Use UML notation.
(See attached file for full problem description)
UML notation solutions are examined.