if ( $recur_method eq 'prorate' ) {
my $cutoff_day = $self->option('cutoff_day') || 1;
$charges = $self->calc_prorate(@_, $cutoff_day);
if ( $recur_method eq 'prorate' ) {
my $cutoff_day = $self->option('cutoff_day') || 1;
$charges = $self->calc_prorate(@_, $cutoff_day);