Well he saw for himself that it is an issue. He asked why they don't update them in separate batches to which I said, ""Is that in the instructions, to update them separately?"" ""Well no, but most people do.""
Apparently, when the sales journal is updating and it gets to the transfer invoice, it has to decide how to process it, as a transfer or as a regular invoice? Obviously, something gets messed up if there are regular invoices after it. He thought his programmers fixed it but he said he would recreate it (based on what I showed him) and then have his programmers look at it again.
""You must be the first one to notice it."" Well when your cost detail is overstated by close to $1.5M, it bears some investigating. It is very, very fortunate they just moved to a new server and I still have access to the old one. I don't know how one would figure it out otherwise!