How much was Ariana Grande getting paid when she first started on Victorious?

TMZ has gained access to a copy of Ariana Grande's 2009 contract for her first season playing the role of Cat Valentine on Nickelodeon's Victorious, and the document reveals these facts:

-She was getting paid $9,000 per episode.
-She got a few checks for helping write songs on the show, including $4,000 for the theme song, $3,000 for another song that occasionally appeared in episodes, and $1,500 for a short 20-second diddy.
-Her music contract was for five albums, the first starting at $50,000.
-Other than Victoria Justice and other "marquee" stars, she would get the best dressing room.