croak "no banktransaction.id passed to skonto_charts" unless $params{bt_id};
croak "no banktransaction.transdate passed to skonto_charts" unless ref $params{transdate_obj} eq 'DateTime';
+ $params{memo} //= '';
+ $params{source} //= '';
+
+
my $is_sales = $self->is_sales;
my (@skonto_charts, $inv_calc, $total_skonto_rounded);