static void Main(string[] args)
        {
            Product a      = new Product("Vasara", 5.50, 3);
            Product b      = new Product("Kirves", 10.99, 2);
            Product c      = new Product("Naula", 1.00, 10);
            Store   rautia = new Store();

            List <Product> prodlist = new List <Product>();

            {
                prodlist.Add(a);
                prodlist.Add(b);
                prodlist.Add(c);
            }

            foreach (Product p in prodlist)
            {
                if (p.GetProduct("Vasara") != null)
                {
                    Console.WriteLine(p.ToString());
                }
            }
            Console.WriteLine("------------------------");
            foreach (Product p in prodlist)
            {
                Console.WriteLine($"{p.CalculateTotal()}");
            }
            customer d = new customer("Jani", 5000);
            customer e = new customer("Virpi", 500);
            customer f = new customer("Timo", 40000);

            List <customer> custlist = new List <customer>();

            {
                custlist.Add(d);
                custlist.Add(e);
                custlist.Add(f);
            }
            Console.WriteLine("--------------------------");
            foreach (customer i in custlist)
            {
                if (i.GetCustomer("Jani") != null)
                {
                    Console.WriteLine(i.ToString());
                }
            }
            foreach (customer i in custlist)
            {
                Console.WriteLine($"{i.GetBonus()}");
            }
            rautia.AddProduct(a);
            rautia.AddProduct(b);
            rautia.AddProduct(c);
            rautia.AddCustomer(d);
            rautia.AddCustomer(e);
            rautia.AddCustomer(f);
            rautia.PrintCustomers();

            Console.WriteLine("-------------------------------");
            rautia.PrintProducts();
            Console.WriteLine("---------------");

            rautia.CalculateTotal();
            Console.WriteLine("------------------------");
            rautia.GetBonus();
            Console.WriteLine("----------------------------");
        }
 public void AddCustomer(customer customer)
 {
     cList.Add(customer);
 }