Thanks for sharing.
I have spent so many hours to learn how to do simple things in Code that in Excel would take me like 5 minutes. After two weeks of intense struggle I have kinda gave up and will use Coda for tasks & to-do’s rather than for budgets as it is so easy to screw something up and that isn’t something you want to do in accountancy 
If you ever have budget-like sample doc you have created and wish to publish I would be excited to see how you wrote the code to get all the calculations accurate.
Thanks everyone for involvement!
Linda