anchor.diff:            <td><%= meter.meter_type.humanize %></td>
             <td><%= meter.amr_data_feed_readings.count %></td>
             <td><%= meter.amr_validated_readings.count %></td>
  +          <td><%= meter.first_validated_reading %></td>
  +          <td><%= meter.last_validated_reading %></td>
             <td>
               <div class="btn-group">
                 <%= link_to 'Edit', edit_school_meter_path(@school, meter), class: 'btn btn-sm btn-warning' %>
  
positive.code:       <% end %>
      <% else %>
        <tr>
          <td colspan="4">No active meters</td>
        </tr>
      <% end %>
    </tbody>
    <% if @inactive_meters.any? %>
      <thead>
        <tr>
          <th colspan="4">Inactive meters</th>
        </tr>
      </thead>
      <tbody>
  
negative.code:           <td><%= meter.meter_type.humanize %></td>
            <td><%= meter.amr_data_feed_readings.count %></td>
            <td><%= meter.amr_validated_readings.count %></td>
            <td><%= meter.first_validated_reading %></td>
            <td><%= meter.last_validated_reading %></td>
            <td>
              <div class="btn-group">
                <%= link_to 'Delete', school_meter_path(@school, meter), method: :delete, data: { confirm: 'Are you sure?' }, class: 'btn btn-sm btn-danger' %>
  