Loan Total Interest
总利息=月供×期数−本金。等额本息前期利息占比高、本金摊还慢,缩短期限或提高月供可显著压降总利息;等额本金总息更少但前期月供高。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Total interest | Total = n*PMT - P | Standard amortization sum |
| Use | Cost-of-credit measure | Loan comparison |
| Parameters | n periods, PMT, P | Standard |