There seems to be a difference between the available Store Credit of yours with the site currency you had picked previously. Would you like to:
Clash Of Clans Items USD $9
Clash Of Clans Items USD $22.99
Clash Of Clans Items USD $0.5
Clash Of Clans Items USD $0.9
Clash Of Clans Items USD $30
Clash Of Clans Items USD $60