Slicer not interacting with Measure

In the following scenario, does anyone know what changes I need to make to allow the slicer to interact as intended?

Here's an example table. I want to display a sum of year to date amounts, filtered to account 4, with a slicer allowing the user to toggle between divisions 1 & 2:

My measure formula is as follows, and it calculates in total properly and responds to date slicing without issue. 

my problem is that it won't react to a slicer by division. Any selection in the slicer is ignored.

I assume the issue is with my YTD REVENUE measure details, but I'm uncertain exactly what.