static void Main(string[] args)
{
Invoice invoice = new Invoice { Customer = "Kirsi Kernell" };
InvoiceItem milk = new InvoiceItem { Name = "Milk", Price = 2.50, Quantity = 2 };
InvoiceItem bread = new InvoiceItem { Name = "Bread", Price = 1.90, Quantity = 1 };
InvoiceItem eggs = new InvoiceItem { Name = "Eggs", Price = 1.50, Quantity = 2 };
InvoiceItem spices = new InvoiceItem { Name = "Spices", Price = 4.50, Quantity = 1 };
InvoiceItem butter = new InvoiceItem { Name = "Butter", Price = 2.20, Quantity = 2 };
invoice.AddItem(milk);
invoice.AddItem(bread);
invoice.AddItem(eggs);
invoice.AddItem(spices);
invoice.AddItem(butter);
Console.WriteLine(invoice.ToString());
}
static void Main(string[] args)
{
Invoice receipt = new Invoice();
Console.WriteLine(receipt.PrintInvoice());
}