return 1 if !$a_num_cust_svc && $b_num_cust_svc;
my @a_cust_svc = $a->cust_svc;
my @b_cust_svc = $b->cust_svc;
+ return 0 if !scalar(@a_cust_svc) && !scalar(@b_cust_svc)
+ return -1 if scalar(@a_cust_svc) && !scalar(@b_cust_svc);
+ return 1 if !scalar(@a_cust_svc) && scalar(@b_cust_svc);
$a_cust_svc[0]->svc_x->label cmp $b_cust_svc[0]->svc_x->label;
}