Do I need to set up a different period. For example can I use period 1. Then post to prior year and I am ok. Is there a Process?

I posted to the prior year as explained above. Period 1. post to prior year.

I have a Fund report where the first column reflects adgetdata.BA:_M","380:500-150" 150 is the fund i want to get the data for. The second column show current month income. The third row shows Fund balance at the end of the month.

What should I do in this case.
Thank you