$desc .= $money_char. sprintf('%.2f/month ', $self->amount)
if $self->amount > 0;
$desc .= $self->percent. '% '
if $self->percent > 0;
$desc .= $money_char. sprintf('%.2f/month ', $self->amount)
if $self->amount > 0;
$desc .= $self->percent. '% '
if $self->percent > 0;