Employee's Record Using Union in C

A very simple employees record using union that I wrote using C language. I wrote this code while writing my book entitled "Introduction to C Programming".  I hope you will find my work useful. Thank you.

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Program Listing

include <stdio.h>
#include <string.h>

union Employee
{
  int age; 
  char Name[100];
  char Department[100];
  float Salary;
};

int main()
{
  union Employee emp1;
  union Employee emp2;
   
    emp1.age = 28;
    strcpy(emp1.Name, "Julianna Rae Pomperada");
    strcpy(emp1.Department, "Computer Science");
    emp1.Salary = 32000.70;
  printf("\n\n");
  printf("\tDetails of the First Employee \n");
  printf("\tEmployee Age = %d \n", emp1.age);
  printf("\tEmployee Name = %s \n", emp1.Name);
  printf("\tEmployee Department = %s \n", emp1.Department);
  printf("\tEmployee Salary = %.2f \n\n", emp1.Salary);

  printf("\tDetails of the Second Employee \n" );
  emp2.age = 30;
  printf("\tEmployee Age = %d \n", emp2.age );
  strcpy(emp2.Name, "Julianna Rae Pomperada");
  printf("\tEmployee Name = %s \n", emp2.Name );
  strcpy(emp2.Department, "Information Technology" );
  printf("\tEmployee Department = %s \n ", emp2.Department );
  emp2.Salary = 35000.20;
  printf("\tEmployee Salary = %.2f \n ", emp2.Salary );
  printf("\n\n");
  printf("\t\tEnd of Program");
  printf("\n\n");
  system("pause");
}