$delivery_line->standard_cost = get_unit_cost($delivery_line->stock_id);
/* add delivery details for all lines */
write_customer_trans_detail_item(ST_CUSTDELIVERY, $delivery_no, $delivery_line->stock_id,
$delivery_line->item_description, $delivery_line->qty_dispatched,
$delivery_line->standard_cost = get_unit_cost($delivery_line->stock_id);
/* add delivery details for all lines */
write_customer_trans_detail_item(ST_CUSTDELIVERY, $delivery_no, $delivery_line->stock_id,
$delivery_line->item_description, $delivery_line->qty_dispatched,