app/views/admin/inventory/purchase_orders/_purchase_order_variant.html.erb
<div class=" large-11 columns <%= po_form.object.new_record? ? 'new_fields' : 'fields' %>">
<div style='float:right;'>
<%= remove_child_link('remove', po_form) %>
</div>
<label>Variant</label>
<% if po_form.object.id %>
<%= po_form.select :variant_id, @select_variants, { :include_blank => true }, :class => "chzn-select select_variants large-8" %>
<% else %>
<%= po_form.select :variant_id, @select_variants, { :include_blank => true }, :class => "select_variants large-8 " %>
<% end %>
<div class=" large-6 ">
<label>Quantity</label>
<%= po_form.text_field :quantity %>
</div>
<div class=" large-6 ">
<label>Cost</label>
<%= po_form.text_field :cost %>
</div>
<hr/>
</div>