Posting keys for GL transactions? 1. 40 debit , 50 credit 2. 50 debit, 40 credit 3.10 debit, 20 credit

the standard PK for GL from FI screens is for Dr and for Cr.

but from MM screens, it uses another PK.

PK can be defined as your wish but using standard is recommended 

Posting key for Gl transaction:

- debit

-credit