I am trying to write a cash flow statement that has a column for Last 12 Months calculations. I am having trouble pulling in the beginning balance for the last 12 months. This will change with each new base period selected. I can get the activity to pull by using the BASE-11:BASE in my period selection, however this can only be used with PERIODIC which doesn't allow for pulling the Beginning Balance. I know there are ways to do this manually, but I was hoping it could be a more automated process, so no one forgets to make the change.