$new_attr{price_factor_id} = $part->price_factor_id if ! $item->price_factor_id;
$new_attr{sellprice} = $price_src->price;
$new_attr{discount} = $discount_src->discount;
$new_attr{price_factor_id} = $part->price_factor_id if ! $item->price_factor_id;
$new_attr{sellprice} = $price_src->price;
$new_attr{discount} = $discount_src->discount;