GSTR 1 A - Credit note adjustment

Hi Sir/Madam


We have shown Rs. 10 lacs sales in GSTR 1


In GSTR 2A we need to show Rs.2 lacs credit note

In GSTR 3B as we need to show total sales as Rs. 8 lacs


1. Do we need to Show Sales as 10 lacs and Credit note as 2 lacs in GSTR 2A g

Or

2.Do we need to show Credit note 2 lacs only in GSTR 2A

Please advise

Thanks