Order	Active	Type	Name	Expression	RateExpression	SurchargeExpression	NameExpression	DescriptionExpression
10	True	OptionExit	Shipping	true	Items.Where(!String.IsNullOrWhiteSpace(Product.AdminComment)).Sum(Decimal.Parse(Product.AdminComment.SubstringBetween("Shipping:",";")) - Product.AdditionalShippingCharge)