Pokerroom Points Versus Bet On Bet rakeback?

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If Pokerroom offers you a bonus every 10,000 points which accumulate at .7 for every $ of rake. That $150 bonus clears after 900 points. While you receive Rake at Bet on Bet of 30% of every $ you pay in rake. Which is a better offer? As if I am correct you get the points weather your in the hand or not.