using System;

using ConsoleTables;

public class Item

    {

        public string ItemName { get; set; }

        public decimal BasePrice { get; set; }

        public string Tax { get; set; }

        public decimal Total { get; set; }

​

        public void GetInput()

        {

             Console.WriteLine("Enter Item Name");

            this.ItemName = Console.ReadLine();

​

            Console.WriteLine("Enter Item Price");

            this.BasePrice = Convert.ToDecimal(Console.ReadLine());

​

        }

​

        public void compute()

        {           

            if(this.BasePrice > 120 && this.BasePrice < 500)

            {

                decimal taxAmount = 0;

                decimal remainingPrice = this.BasePrice - 120;

               taxAmount = ((remainingPrice * 10) / 100);

                this.Tax  = taxAmount > 0 ? Convert.ToString(taxAmount) : "Nil";

                this.Total = this.BasePrice + taxAmount;

            }

            else if (this.BasePrice >= 500)

            {

                decimal remainingPrice1 = 500 - 120;

                decimal tax1 = ((remainingPrice1 * 10) / 100);

                decimal remainingPrice2 = this.BasePrice - 500;

                decimal tax2 = Math.Round(((remainingPrice2 * 20) / 100), 2, MidpointRounding.AwayFromZero);

               decimal totalTax = tax1 + tax2;

                this.Tax  = totalTax > 0 ? Convert.ToString(totalTax) : "Nil";

                this.Total = this.BasePrice + totalTax;

            }

            else

            {

                this.Total = this.BasePrice;

                this.Tax = "Nil";

            }

​

        }

​

        public void Display()

        {

            var table = new ConsoleTable("Item", "Base Price", "Tax", "Total");

            table.AddRow(this.ItemName,  this.BasePrice,  this.Tax,  this.Total);

            table.Write();

​

        }

    }                   

public class Program

{

    public static void Main()

    {

        Item obj = new Item();

            obj.GetInput();

            obj.compute();

            obj.Display();

    }

}