Question: C$++($Payroll System Modification$)$ Modify the payroll system discussed in the class. You are now required to include private instance variable birthDate in class Employee. Use class Date we have discussed in previous modules, Assume that payroll is processed once per month. Create an array of Employee variables to store references to the various employee

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$($Payroll System Modification$)$ Modify the payroll system discussed in the class. You are now required to include private instance variable birthDate in class Employee.