public void OrderMenu()
        {
            Console.WriteLine("(1) Add Money");
            Console.WriteLine("(2) Select Products");
            Console.WriteLine("(3) Complete Transaction");
            Console.WriteLine($"Current Account Balance: ${CustomerAccount.Balance}");

            int input = 0;

            try
            {
                input = int.Parse(Console.ReadLine());
            } catch (FormatException ex)
            {
                Console.WriteLine("Please enter in a valid integer for selection.");
                return;
            }


            switch (input)
            {
            case 1:
                Console.WriteLine("How much would you like to add?");
                decimal amountToAdd;
                try
                {
                    amountToAdd = decimal.Parse(Console.ReadLine());
                } catch (FormatException ex)
                {
                    Console.WriteLine("Invalid input for amount. Please enter a valid number.");
                    return;
                }

                if (!Transaction.AddMoney(amountToAdd))
                {
                    Console.WriteLine("You are unable to have more than $5000.00 in your account.");
                }
                ;
                Console.WriteLine($"New Account Balance: {CustomerAccount.Balance}");

                break;

            case 2:
                Console.WriteLine("Enter the PID of the Item you would like to order:");
                string PID = Console.ReadLine();
                Console.WriteLine("How many would you like to order:");
                int amountOrdered;
                try
                {
                    amountOrdered = int.Parse(Console.ReadLine());
                }
                catch (FormatException ex)
                {
                    Console.WriteLine("Invalid input for amount. Please enter a valid number.");
                    return;
                }

                Console.WriteLine(Catering.AddToCart(PID, amountOrdered));
                Console.WriteLine("Press enter to continue.");
                Console.ReadLine();
                break;

            case 3:
                Console.WriteLine(Transaction.MakeChange());
                decimal totalAmount = 0.00M;

                foreach (KeyValuePair <string, CateringItem> kvp in Catering.Cart)
                {
                    decimal totalItemPrice = kvp.Value.AmountSold * kvp.Value.Price;
                    Console.WriteLine(String.Format("{0, -5} | {1, -15} | {2, -35} | {3, -10} | {4, -5 }",
                                                    kvp.Value.PID, kvp.Value.DisplayName, kvp.Value.Name, kvp.Value.Price, totalItemPrice));
                    totalAmount += totalItemPrice;
                }
                Console.WriteLine("\n $Total: " + totalAmount);
                Console.WriteLine("---------------------------------------------------------");
                break;

            default:
                Console.WriteLine("Please enter a valid response.");
                break;
            }
        }