namespace CashRegister
{
    class Program
    {
        static void Main(string[] args)
        {
            // declare a new CashRegister object
            CashRegister myRegister = new CashRegister ();

            // add several dollar amounts
            myRegister.add (20.00);
            myRegister.add (15.50);
            myRegister.add (3.75);

            // display the current cash balance
            Console.WriteLine("The register has: $" + myRegister.????());
            Console.ReadKey();
        }
    }
    // CashRegister object definition
   class CashRegister
   {
      // declare a property (class variable)
      double cash = 0.0;

    // define an add() method that takes one double "amount" parameter
    public void add(double amount)
      {
         Console.WriteLine("Adding $" + amount);
         cash += amount;
      }

        // define a report() method that returns one double value
        public double report()
             {
                     return cash;
             }
   }
}