title: How to calculate cumulative costs using formulas?
body: <p>Used by:<br>
    - MS Project 2016 Pro. Desktop  </p>
  
  <p>I am in the Gantt Chart view.</p>
  
  <p>How to calculate <code>cumulative costs</code> using formulas?
  <a href="https://i.stack.imgur.com/l3MAu.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/l3MAu.png" alt="enter image description here"></a></p>