How to Cancel posted Drop Shipment documents

Hi,

Drop Shipment method:

  1. Create Sales Order > Select Item Lines

  2. Create Purchase Order >Select Customer No> Drop Ship> Get Sales Order> System copied Item Lines in PO> Item tracking lines Lot No & Expiration Date

  3. Go to Sales Order > Post Ship and Invoice

  4. Go to Purchase Order > Post Invoice.

Client wish to cancel the posted Sales Invoice and Posted purchase invoice. Please kindly advise.