Remember the numbers— 6% for all periods (from default to finality, and from finality to satisfaction). Forget the old 12% rule. And always, always verify the interest computation against the original Supreme Court PDF. Failing to do so is not just a technical error; it is a direct violation of a clear and controlling precedent. Disclaimer: This article is for educational and informational purposes only and does not constitute legal advice. For specific cases, consult a licensed attorney and verify all legal references with the official Philippine Supreme Court reports.