- if ($tax_group_id==null)
- return $this->chg_price;
- return get_tax_free_price_for_item($this->item_code, $this->chg_price, $tax_group_id, $tax_group);
+// if ($tax_group_id==null)
+// return $this->chg_price;
+ return get_tax_free_price_for_item($this->item_code, $this->chg_price,
+ $tax_group_id, 0, $tax_group);