Three nights running, the night patrol's signature comes in half an hour early. The paper's this diligent, so where was the man himself all that time?

• Grand Inquisitor KasimirBring me the numbers. A guess isn't a document.
  OrbanI've already copied it twice. One copy goes to you, Your Excellency.
• HelgaWorry about the guard post's lamp oil bill instead, Chief Inquisitor.
  OrbanThe oil bill goes in the ledger too. Down to what hour and how much burned.