using System;

public class Program

{

    public static void Main()

    {

        var amount = 80;

        var discountPercent = 20.0M;

        var unitPrice = amount / (1 - (discountPercent / 100));

        Console.WriteLine(unitPrice);

        Console.WriteLine(unitPrice - (unitPrice * (discountPercent / 100)));

        Console.WriteLine("e4667917-6d09-f011-bae3-000d3a65fdaa".Replace("-", string.Empty));

        Console.WriteLine(new Guid("d6d25abeb9dfee11904c000d3a6696fd"));

    }

}