internal void DoIt()
        {
            Stream       NewStream    = connectionSocket.GetStream();
            StreamReader streamReader = new StreamReader(NewStream);
            StreamWriter streamWriter = new StreamWriter(NewStream);

            streamWriter.AutoFlush = true; // enable automatic flushing of messages

            Console.WriteLine("Echo Service Started.");

            Tax.CarFeeClass carFeeLibrary = new CarFeeClass();

            //server gets the type of car from the client



            while (true)
            {
                string messageFromClientCarType = streamReader.ReadLine();
                //server echoes back to client, and asks price of the car
                Console.WriteLine("Client: " + messageFromClientCarType);

                streamWriter.WriteLine(messageFromClientCarType);


                //Notification if client disconnects
                if (messageFromClientCarType == "close" || messageFromClientCarType == "Close")
                {
                    Console.WriteLine("Client Disconnected...");
                    break;
                }

                //server gets the price of the car
                string messageFromClientCarPrice = (streamReader.ReadLine());
                Console.WriteLine("Client: " + messageFromClientCarPrice);
                //streamWriter.WriteLine(messageFromClientCarPrice);

                //calculation of car fee based upon price and type
                if (messageFromClientCarType.ToLower() == "normal")
                {
                    double result = carFeeLibrary.CarFee(Convert.ToDouble(messageFromClientCarPrice));
                    streamWriter.WriteLine("The fee for your car is: " + result + " kr.");
                }
                else if (messageFromClientCarType.ToLower() == "electric")
                {
                    double result = carFeeLibrary.ElectricCarFee(Convert.ToDouble(messageFromClientCarPrice));
                    streamWriter.WriteLine("The fee for your car is: " + result + " kr.");
                }
            }
            NewStream.Close();
            connectionSocket.Close();
        }