static void Main(string[] args)
{
IWriter writer = new ConsoleWriter();
ICard BronzeCard = new BronzeCard();
ICard SilverCard = new SilverCard();
ICard GoldCard = new GoldCard();
Purchase FirstPurchase = BronzeCard.CalculatePurchase(0, 150);
Purchase SecondPurchase = SilverCard.CalculatePurchase(600, 850);
Purchase ThirdPurchase = GoldCard.CalculatePurchase(1500, 1300);
writer.PrintPurchase(FirstPurchase);
Console.WriteLine();
writer.PrintPurchase(SecondPurchase);
Console.WriteLine();
writer.PrintPurchase(ThirdPurchase);
}
