It looks like you got a premature bill. AFAIK the billing process goes: print a screenshot of the billing software, take a picture (this is where you should intervene to ensure the process completes, by the way), send it to the billing department who uses OCR to get the data into Word, rub out all the nonsense caused by the wooden table in the picture, copy and paste all of this into an Excel spreadsheet with the proper letterhead, then print it out and sends it to you in an envelope.
(well, someone had to do it - you'd rather they not, but this is TDWTF)