Update:
3rd March 2021: This workbook is now available in the Azure Sentinel portal as a Template or you can still find it in my GitHub (see below)
16th September 2020: There has been an...
Updated Nov 03, 2021
Version 11.0
Blog Post
Great feedback Col_Sanders - please post if you have more ideas?
I do want to rework the Cost tab (I also aim to do a little more with the data from ASC especially). I had been making the changes to do similar to your suggestions, and things like the updated y-axis were part of that, so you got to see this a little earlier than I'd planned.
I'm being very careful not to re-invent the Azure Pricing Calculator, but I'm glad the default pricing value and updated cost(volume) prediction are valuable.
Now I have the volumes in the graph, would something like the table below help, with a volume now, volume predicted and cost now and cost predicted work (this would need formatting, but you get the idea)?
Col_Sanders if you DM me your email, I can share the revised version, if you'd like to test? or use your Microsoft contact if you prefer?