PROGRAM USING A CLASS TO CALCULATE SIMPLE INTEREST AMOUNT.USE DEFAULT VALUEFOR RATE.

#include<iostream.h>

#include<conio.h>

Class INTEREST

{

      int n;

      float rate,p;

      public:

      void get()

     {

            cout<<”Enter the principle amount & no. of year:”;

            cin>>p>>n;

     }

     void cal(float r=3.2)

    {

            rate=r;

            float si;

            si=(p*n*rate)/100;

            cout<<”simple interest is:”<<si;

    }

};

void main()

{

       interest inst;

       clrscr();

       inst.get();

       inst.cal();

       getch();

}