private decimal _taxRate = 0.06M; // TODO: Make this configurable

        #endregion Fields

        #region Constructors

        public IncomeTaxCostElement(CostComponent costComponent)
        {
            CostComponent = costComponent;
            ShippingCost = costComponent.ShippingCost;
        }
 public ShippingCostElement(CostComponent costComponent)
 {
     CostComponent = costComponent;
     ShippingCost = costComponent.ShippingCost;
 }