payment terms determination in inv and po discount percentage, discount days, net days
inv amount greater than GR inv will block and release when amount is equal , post credit memo when 4 days before due date and payement available
compare price and allowance in po and inv pay with the less one
charges not recogenized will be charge back
allowance and charge amounts that do not update WAC would be posted into the G/L accounts. Charges that update WAC would be posted with the PO item gross amount. weight average cost
idoc come into sap will go though valitdaion check