#include

#include

#include

#include

#include "Employee.h$"$

#include "HourlyEmployee.h$"$

#include "SalariedEmployee.h$"$

#include "CommissionEmployee.h$"$

#include "BasePlusCommissionEmployee.h$"$

using namespace std;

int main$()$

$\{$

vector $<$ Employee $*>$ employees$(4)$;

$//$ initialize vector with various kinds of Employees

employees$[0]=$ new SalariedEmployee$("$John$",$ "Smith", $"111-11-1111",800)$;

employees$[1]=$ new CommissionEmployee$("$Sue$",$ "Jones","$333-33-3333",10000,\mathrm{.}06)$;

employees$[2]=$ new HourlyEmployee$("$John$",$ "Charles", $"111-11-1111",26,80)$;

employees$[3]=$ new BasePlusCommissionEmployee$("$Bob$",$ "Lewis", $"444-44-4444",5000,\mathrm{.}04,300)$;

$//$ polymorphically process each element in vector employees

for $($ Employee $*$employeePtr : employees $)$

$\{$

employeePtr$->$print$()$; $//$ output employee information

cout $<<$ endl;

$//$ get the basePlusCommission Employee to provide a raise

BasePlusCommissionEmployee $*$derivedPtr $=$ dynamic$\_$cast $<$ BasePlusCommissionEmployee $*>($ employeePtr $)$;

$//$ determine whether element points to a BasePlusCommissionEmployee

if $($ derivedPtr $!=$ nullptr $)//$ true for $"$is a$"$ relationship

$\{$

double oldBaseSalary $=$ derivedPtr$->$getBaseSalary$()$; $//$ get the old salary

cout $<<$ "old base salary: $$"<<$ oldBaseSalary $<<$ endl; $//$print old salary

derivedPtr$->$setBaseSalary$(1\mathrm{.}10*$ oldBaseSalary $)$; $//$ provide a $10\%$ raise

cout $<<$ "new base salary with $10\%$ increase is: $$"<<$ derivedPtr$->$getBaseSalary$()<<$ endl; $//$ get the new salary

$\}//$ end if

cout $<<$ "earned $$"<<$ employeePtr$->$earnings$()<<"$

$"$;

$//$ downcast pointer

$//$@ STUDENT TO DO : Change the Hourly rate of the Hourly Employee and give $10\%$ increase in houlry rate

$\}$

$\}$