+       if (e->u.rail.running_cost_class == INVALID_PRICE) {

+           const Train *a = v;

+

+           do {

+               cost += a->purchase_cost_or_what_is_called / 8;

+               a = a->HasArticulatedPart() ? a->GetNextArticulatedPart() : NULL;

+           } while (a != NULL);

+           continue;

+       }