using System;

public class Store

{

    public static double totalAmount=0;

    public static int totalItems;

    public static void Main()

    {

        Store st=new Store();

        Console.WriteLine("enter customer name");

        string customer=Console.ReadLine();

        Console.WriteLine("enter number of items do you want to enter");

        totalItems=Convert.ToInt32(Console.ReadLine());

        int i;

​

         Item[] List=new Item[totalItems];

        for(i=0;i<totalItems;i++)

        {

            Console.WriteLine("enter item id");

        int itemId=Convert.ToInt32(Console.ReadLine());

            Console.WriteLine("enter item name");

        string itemName=Console.ReadLine();

            Console.WriteLine("enter item cost");

        double itemCost=Convert.ToDouble(Console.ReadLine());

        List[i]= new Item(itemId,itemName,itemCost);    

            totalAmount=List[i].itemCost+totalAmount;   

        }   

        Console.WriteLine("The items purchased are");

        for(i=0;i<totalItems;i++)

        {

            Console.WriteLine(List[i].itemId+" "+List[i].itemName+" "+List[i].itemCost);

        }

        st.billAmount();

    }

    public  void billAmount()

    {

        Console.WriteLine("Hey you have a discount on your purchase" + "\n"+"Purchase greater than 1500 will get 20% discoount"+"\n"+"Purchase greater than 1000 and less than1500 will get 15% discoount"+"\n"+"Purchase less than 1000 will get 5% discoount");

        if(totalAmount>1500)

        {

            Console.WriteLine("The Discount percentage for you is 20%");

            totalAmount=totalAmount-((totalAmount)*(0.20));

            Console.WriteLine("TotalAmount:"+totalAmount);

        }

        else if( totalAmount>1000)

        {

            Console.WriteLine("The Discount percentage for you is 15%");

            totalAmount=totalAmount-((totalAmount)*(0.15));

            Console.WriteLine("TotalAmount:"+totalAmount);

        }

        else

        {

            Console.WriteLine("The Discount percentage for you is 5%");

            totalAmount=totalAmount-((totalAmount)*(0.05));

            Console.WriteLine("TotalAmount:"+totalAmount);

        }

    }

    }

public class Item

{

        public int itemId;

        public String itemName;

        public double itemCost; 

    public Item(int itemId,String itemName,double itemCost)

    {

        this.itemId=itemId;

        this.itemName=itemName;

        this.itemCost=itemCost;

    }

       public int ItemId

        {

            get { return itemId; }

            set { itemId = value; }

        }

​

​

        public String ItemName

        {

            get { return itemName; }

            set { itemName = value; }

        }

        public double ItemCost

        {

            get { return itemCost; }

            set { itemCost = value; }

        }   

}

​

​

​

​