<tr>
<th>Customer</th>
<th>Rentable</th>
+ <th>Overdue</th>
<% for column in Coitem.content_columns %>
<th><%= column.human_name %></th>
<% end %>
<tr>
<td><%=h coitem.customer.name %></td>
<td><%=h coitem.rentable.title %></td>
+ <td><%=h coitem.overdue? %></td>
<% for column in Coitem.content_columns %>
<td><%=h coitem.send(column.name) %></td>
<% end %>