WAP to illustrate working of default arguments. Calculate interest amount making use of default arguments.

/*

WAP to illustrate working of default arguments. Calculate interest amount

making use of default arguments.

*/

#include<iostream.h>

#include<stdlib.h>

void amount(float princ, int time = 2, float rate = 0.08); //prototype

void amount(float princ, int time, float rate)

{

      cout<<"\nPrincipal Amount: "<<princ;

      cout<<"\tTime: "<<time<<" years;";

      cout<<"\tRate: "<<rate;

      cout<<"\nInterest Amount: "<<(princ*time*rate)<<"\n";

}

int main()

{

      system ("cls");

      cout<<"Case 1";

            amount(2000);

      cout<<"Case 2";

            amount(2500, 3);

      cout<<"Case 3";

            amount(2300, 3, 0.11);

      cout<<"Case 4";

            amount(2500, 0.12);

      return 0;

}

OUTPUT