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:
WoW Cataclysm Classic Currency USD $1734.91
WoW Cataclysm Classic Currency USD $2168.64
Xbox Game Pass Ultimate(XGPU) Top up USD $28
Xbox Game Pass Ultimate(XGPU) Top up USD $35.79
ROB Items USD $305.2
ROB Items USD $6.99
ROB Items USD $1.29
Diablo: Immortal Currency USD $5.48