$form->{exchangerate} = $form->get_exchangerate($dbh, $form->{currency}, $form->{transdate}, ($form->{vc} eq 'customer') ? "buy" : "sell");
$form->{exchangerate} = $form->get_exchangerate($dbh, $form->{currency}, $form->{transdate}, ($form->{vc} eq 'customer') ? "buy" : "sell");