title: How to do grand total on level break footer total in Report Design Aid
body: <p>I want to calculate a grand total of those total I get on level break footer group.</p>
  
  <p>Example:</p>
  
  <pre><code>  Item A1 - 10
    Item A2 - 20
    Item A3 - 30
      Total = 60
  
    Item B1 - 10
    Item B2 - 20
      Total = 30
  
  Grand Total 90
  </code></pre>
  
  <p>What should I do?</p>