You can see in your acceptance's accounting entry, system is not considering this extra amount.
You didn't share the screen shot of calculation schema (M/08).
Once your GR accounting will post the extra amount, then you can see it in PO history as below :
You system is not triggering the extra amount in GR, then of-course it will not come in MIRO line item.
Have you tried it for a fresh purchase order (after doing changes in M/06 or M/08)? Check if any info record is coming by default in PO line item, try the same after remove the info record.
