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:
Trove Top up USD $13.99
Monster Hunter Rise Accounts USD $13.55
Disney Dreamlight Valley Accounts USD $13.45
Avatar: Frontiers of Pandora Accounts USD $19.99
Fortnite Boosting USD $10
MIR4 Accounts USD $1