begin
        insert into ec_product_u_c_prices_audit (
        product_id, user_class_id,
        price,
        last_modified,
        last_modifying_user, modified_ip_address
        ) values (
        old.product_id, old.user_class_id,
        old.price,
        old.last_modified,
        old.last_modifying_user, old.modified_ip_address      
        );
	return new;
end;