I hope you don't mind that i copied your epic chart and made some adjustments and additions, that i need some help adding, if you want i will try making a link to it.
i think this will work
https://docs.google.com/a/ssanpete.org/spreadsheets/d/1yPXdyZzBJ4TrBWxKLIMldeViZ1_lO-2yeHzziE16dOU/edit?usp=sharing