+sub calc_remain {
+ my ($self, $cust_pkg, %options) = @_;
+ my $next_bill = $cust_pkg->getfield('bill') || 0;
+ my $last_bill = $cust_pkg->last_bill || 0;
+ my $free_days = $self->option('free_days');
+
+ return 0 if $last_bill + (86400 * $free_days) == $next_bill
+ && $last_bill == $cust_pkg->setup;
+
+ return $self->SUPER::calc_remain($cust_pkg, %options);
+}
+