static void Main(string[] args) { //Step 1: Create an instance of the WCF proxy. FridgeClient client = new FridgeClient(); // Step 2: Call the service operations. // Call the Add service operation. Console.WriteLine($"There are {client.Add("apple", 10)} apples."); Console.WriteLine($"There are {client.Add("orange", 15)} oranges."); Console.WriteLine($"There are {client.Subtract("apple", 5)} apples."); Console.WriteLine($"There are {client.Get("pear")} pears."); client.Close(); }