MIRO Issues

HI Team,

I getting below issues in MIRO Posting

Issue1: PO is created for 10 Quantity Net Price Rs 1000, Freight (FRB1) as Rs 100 maintain in PO Item level. GRN is done 5 quantity, I checked accounting entries of GRN 1000*5=5000 + 50(Freight) its ok.

Note: checked GR based invoice Verification in PO & Vendor master.

but at time MIRO Posting with Ref PO, I select General items + Planned Delivery cost tab, in system Default Material value as 5000, Freight Quantity & Value is not coming Default as per GRN Quantity. This Big pain user every time go PO History tab get the Freight value,

How to Come or Get Default Planned Delivery cost in MIRO.

i checked SAP notes but no solution till date.

Note: I checked Delivery note, but in that case no Planned delivery conditions are not coming. Please guide me.

Hot get Default Delivery conditions values in MIRO as per GRN quantity wise????

Issue2: On freight amount Tax are calculating,with respect FV11 conditions combination(Plant+Material+vendor), Material its ok, if i am paying Material + Freight to same vendor, system calculating Tax amount on Freight.

inputs: Freight tax code V0-Zero % in MIRO Item Level. but MIRO Header Tax system showing tax amount with resept two tax codes.

How to Resolve this????