public GoodItem(GoodItem item) { //set units _units = 0; AddUnits(item.GetUnits()); //set unit price SetUnitPrice(item.GetUnitPrice()); Id = item.Id; _isImported = item.GetImportStatus(); _isTaxExempt = item.GetExemptStatus(); _discountRate = item.GetDiscountRate(); _goodItemType = item.GetItemType(); Details = item.Details; }