on (one's) bill

On the list of items one is expected to pay for. Just pick out whatever you want and put it on my bill. Can you explain this strange charge on my bill?

Common Names:

Name	Pronounced	Usage
Beatrix	BE-ah-triks (German), BAY-ah-triks (Dutch), BEE-ə-triks (English)	German, Hungarian, Dutch, English (Rare), Late Roman
Brannon	-	English
Natalka	-	Ukrainian, Polish
Aideen	AY-deen	Irish
Levi	LEE-vie (English), LE:-vee (Dutch)	Hebrew, English, Dutch, Biblical, Biblical Latin
Enobarbus	-	Literature