+#these should be auto-generated
+sub invoiced_12mo {
+ my( $self, $speriod, $eperiod, $agentnum ) = @_;
+ $speriod = $self->_subtract_11mo($speriod);
+ $self->invoiced($speriod, $eperiod, $agentnum);
+}
+
+sub netsales_12mo {
+ my( $self, $speriod, $eperiod, $agentnum ) = @_;
+ $speriod = $self->_subtract_11mo($speriod);
+ $self->netsales($speriod, $eperiod, $agentnum);
+}
+
+sub receipts_12mo {
+ my( $self, $speriod, $eperiod, $agentnum ) = @_;
+ $speriod = $self->_subtract_11mo($speriod);
+ $self->receipts($speriod, $eperiod, $agentnum);
+}
+
+sub payments_12mo {
+ my( $self, $speriod, $eperiod, $agentnum ) = @_;
+ $speriod = $self->_subtract_11mo($speriod);
+ $self->payments($speriod, $eperiod, $agentnum);
+}
+
+sub credits_12mo {
+ my( $self, $speriod, $eperiod, $agentnum ) = @_;
+ $speriod = $self->_subtract_11mo($speriod);
+ $self->credits($speriod, $eperiod, $agentnum);
+}
+
+#not being too bad with the false laziness
+use Time::Local qw(timelocal);
+sub _subtract_11mo {
+ my($self, $time) = @_;
+ my ($sec,$min,$hour,$mday,$mon,$year) = (localtime($time) )[0,1,2,3,4,5];
+ $mon -= 11;
+ if ( $mon < 0 ) { $mon+=12; $year--; }
+ timelocal($sec,$min,$hour,$mday,$mon,$year);
+}
+