i want to apply supplementary card to my wife

if my credit limit rm5000

I fill up credit limit 50% or rm2500 for my supplementary card.

then my credit limit will left rm2500 only???


or i can fill up credit limit can use up to rm5000 or 100% credit limit for supplementary card

principal and supplementary sharing the same CL?

previos i can use my treatpoint convert to cash at senheng when i purchase electronic items, now still can?