Can someone help explain this?

[Soundburst]

Hey guys. . I've taken a screenshot of the top right of my iTunes.

Up at my name it says £17 . . .yet below it says "your account has £8". . .so which one is it? :S

http://img237.imageshack.us/img237/4487/huhd.png

[Mew2468]

Click on your name, login (and view account). The amount should update.