anchor.diff:      <%= f.text_field :batch_id,
             class: 'input-mini',
             placeholder: '4321',
  -          value: @last_gift_card.batch_id %>
  +          value: @gift_card.batch_id %>
     </div>
     <div class="field">
       <%= f.label "proxy/sequence" %><br>
  
positive.code:     <%= f.label :reason %><br>
      <%= f.select :reason,
            GiftCard.reasons.keys.to_a,
            { prompt: "Reason", selected: @last_gift_card.reason } %>
    </div>
    <% if @gift_card.giftable.present? %>
      <%= f.hidden_field :giftable_id, value: @gift_card.giftable_id %>
  
negative.code:     <%= f.label :expiration_date %><br>
      <%= f.text_field :expiration_date,
            class: 'input-mini',
            value: @gift_card.expiration_date  %>
    </div>
    <div class="field">
      <%= f.label :person_id %><br>
  