our $DEBUG = 1;
+sub recur_temporality { 'preceding'; }
+
+sub price_info {
+ my $self = shift;
+ my $str = $self->SUPER::price_info(@_);
+ $str .= " plus usage" if $str;
+ $str;
+}
+
sub calc_recur {
my $self = shift;
my($cust_pkg, $sdate, $details, $param ) = @_;