Displaying account credits (mobile app) [on hold]

My mobile app is a food-ordering app designed to reduce food waste.

Occasionally, users are able to obtain account credits which can be used when ordering, either thru referrals or promotions.

I'd like to start showing this to users, if they have an account credit balance > $0.00, directly on the landing page of the app, to help drive purchases and not require a user to navigate through the app to identify their credit balance.

I've currently designed it as is below, with a few different colour options. Which option is best?

Option A:

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Option B:

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Option C:

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Option D:

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Of course, there may also be better methods for optimally letting users know this information without being overly distracting - so any other icons, colours, placements, styling etc. suggestions would be greatly appreciated!

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