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
Takumi	tah-koo-mee	Japanese
Haggai	HAG-ee-ie (English), HA-gie (English)	Biblical
Nicolaos	-	Greek
Rucker	['rʌkə]
Silviya	-	Bulgarian
Drika	DRHEE-kah	Dutch