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Section 4 Equations
| Question | Answer |
|---|---|
| What is the amortization formula for interest? | monthly interest x balance |
| What is the amortization formula for payment toward principal (PTP)? | payment - interest |
| What is the amortization formula for new principal/balance? | balance - PTP |
| What is the formula for average daily balance (ADB)? | total of days x balance divided by total number of days |
| How do you find interest with ADB? | ADB x monthly interest rate |
| What is the formula for ending balance in ADB questions? | final balance (not total) + interest |