Batches need to move to Q stock which have 50% SLED

Hello Gurus,

Business want to Move batches to Quality whose SLED is 50% , we have MFD date and expiry date how to do the comparison. can anyone help me how to acheive this through standard or any other way(custom program).

is it possible to do by routine.please suggets.

Regards,

Mahesh .