using System;

public class Program

{

    class BillUnit

    {

        string name;

        double unitUsed,unitRate;

        double totoalAmount, gst, netTotalAmount;

        public BillUnit(string name,double unitUsed,double unitRate)

        {

            this.name = name;

            this.unitUsed = unitUsed;

            this.unitRate = unitRate;

        }

        public void BillCalculate()

        {

            totoalAmount = unitUsed * unitRate;

            gst = totoalAmount / 10;

            netTotalAmount = totoalAmount + gst;

        }

        public void DisplayData()

        {

            Console.WriteLine("Name of Customer:{0}",name);

            Console.WriteLine("Unit Consumed:{0}",+unitUsed);

            Console.WriteLine("Unit Rate:{0}",+unitRate);

            Console.WriteLine("TotalAmount:{0}",+totoalAmount);

            Console.WriteLine("GST:{0}",+gst);

            Console.WriteLine("NetTotalAmount:{0}",+netTotalAmount);

        }

    }

    public static void Main()

    {

        Console.WriteLine("Hello World");

        BillUnit c1 = new BillUnit("Dharmnandan Sharma", 1500, 3);

            c1.BillCalculate();

            c1.DisplayData();

            Console.WriteLine("------------------------------------------------");

            BillUnit c2 = new BillUnit("Urvesh Shah", 2500, 3);

            c2.BillCalculate();

            c2.DisplayData();

            Console.ReadLine();

    }

}