Compute the equal monthly payment and total interest from loan principal, annual rate and term.
| 期数 | 月供 | 本金 | 利息 | 剩余本金 |
|---|
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Amortizing payment | M = P·r(1+r)^n/((1+r)^n−1) | Standard amortization (PV annuity) formula |
| Rate convention | r = monthly rate (annual/12) | PBOC mortgage convention |