+
+ // Deprecated, use with care. If you need line value as it is calculated in invoice, use taxfree_charge_value below.
+ function taxfree_charge_price($po)
+ {
+ return get_tax_free_price_for_item($this->stock_id, $this->price,
+ $po->tax_group_id, $po->tax_included, $po->tax_group_array);
+ }
+
+ //
+ // GRN line tax free value.
+ //
+ function taxfree_charge_value($po)
+ {
+ return get_tax_free_price_for_item($this->stock_id, $this->receive_qty*$this->price,
+ $po->tax_group_id, $po->tax_included, $po->tax_group_array);
+ }