my( $rate, $field ) = @_;
return sub {
my $rate_detail = $rate->dest_detail(shift)
- || new FS::rate_region { 'min_included' => 0,
+ || new FS::rate_detail { 'min_included' => 0,
'min_charge' => 0,
+ 'min_cost' => 0,
'sec_granularity' => 0,
};
my $value = $rate_detail->$field();