title: Adding rowspan cells onto the end of a table
body: <p><a href="https://i.stack.imgur.com/ocF81.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ocF81.png" alt="http://puu.sh/mjgya/d1c9532e71.png"></a></p>
  
  <p>I'm wanting to make a table with separations using the rowspan attribute, and then in the last column have a total amount that would need to be the same rowspan as the first 3 columns. I could probably just make a couple of dummy cells and make them invisible, but I was wondering what the correct way to go about this would be. I've done a bit of searching but I'm definitely not thinking of the right keywords to use. Sorry if this is obvious, can't seem to wrap my head around it.</p>