using System;

​

public class Program

{

    public static void Main()

    {

        decimal amount = 100.00m;

        decimal rate = 2.9000m;

        decimal fee = 0.30m;

        decimal donor_cover_amount = amount + Math.Round(Math.Abs(amount) * (rate / 100), 2, MidpointRounding.AwayFromZero) + fee;

        decimal total_fee = Math.Round(Math.Abs(amount) * (rate / 100), 2, MidpointRounding.AwayFromZero) + fee;

        Console.WriteLine("Flat donor cover rate is: " + rate + "%");

        Console.WriteLine("Flat donor cover fee is: " + fee + "\n");

        Console.WriteLine("The donor wanted to give charity this amount: " + amount + "\n");

        Console.WriteLine("\nIn Admin Shell Transaction Details pane, we should see:\n");

        Console.WriteLine("Gross amount: " + donor_cover_amount);

        Console.WriteLine("Total fee amount: " + total_fee);

        Console.WriteLine("Net amount: " + (donor_cover_amount - total_fee));

    }

}