Principal amount

Rate of interest

Rs 1 – Rs 999 2% of principal amount
Rs 1000 – Rs 2999 3% of principal amount
Rs 3000 – Rs 5999 5% of principal amount
Rs 6000 and above 8% of principal amount

Print customer number and calculated simple interest of all 100 customer.

#include<iostream.h>
#include<conio.h>
class customer
{
private:
                int cn;
                float p,r,t,si;
public:
                void input()
                {
                                cout<<"Enter customer No:- ";
                                cin>>cn;
                                cout<<"Enter Principal Amount:- ";
                                cin>>p;
                                cout<<"Enter Time in Year:- ";
                                cin>>t;
                }
                void calculate();
                void output()
                {
                                cout<<"Customer No:- "<<cn<<endl;
                                cout<<"Simple Interest:- "<<si<<endl;
                }
};
void customer::calculate()
{
                if(p>=1 && p<=999)
                                r=2;
                else if(p>=1000 && p<=2999)
                                r=3;
                else if(p>=3000 && p<=5999)
                                r=5;
                else
                                r=8;
                si=(p*r*t)/100;
}
void main()
{
                int i;
                customer c;
                clrscr();
                for(i=0;i<100;i++)
                                {
                                c.input();
                                c.calculate();
                                c.output();
                                }
                getch();
}

 

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