static void Main(string[] args)
{
Dictionary <string, double> articlesPrice = new Dictionary <string, double>();
articlesPrice.Add("ball", 15.50);
articlesPrice.Add("new year tree", 3500.00);
articlesPrice.Add("doll Santa Claus", 500.00);
Invoice order = new Invoice(1, "Customer", "Provider");
order.Article = "new year tree";
order.Quantity = 5;
order.CountOrder(order.Quantity, articlesPrice, out double sum, out double withTax);
Console.WriteLine("Счет №{0}\nДля: {1}\tОт: {2}\nТовар: {3}\t{4} шт.\nСумма товара: {5}\n" +
"Сумма к оплате с НДС: {6}", order.account, order.customer, order.provider, order.Article, order.Quantity, sum, withTax);
Console.ReadLine();
}
