public double CalculateSalary() { if (SelledProducts.Count == 0) { return(DefaultSalary); } return(DefaultSalary + (SelledProducts.Sum(x => x.Count) / 0.1)); }
public void SellProduct(Product product) { var innerProduct = SelledProducts.SingleOrDefault(x => x.Equals(product)); if (innerProduct == null) { SelledProducts.Add(new Product(product.Name, product.Price) { Count = 1 }); } else { innerProduct.Count++; } }