+ my @cust_bill = $self->cust_bill;
+ my $balance = $self->balance;
+ my $previous_balance = scalar(@cust_bill)
+ ? ( $cust_bill[$#cust_bill]->billing_balance || 0 )
+ : 0;
+
+ $previous_balance += $cust_bill[$#cust_bill]->charged
+ if scalar(@cust_bill);
+ #my $balance_adjustments =
+ # sprintf('%.2f', $balance - $prior_prior_balance - $prior_charged);
+