螺丝螺帽is correct...

来源: 于 2012-06-05 20:57:18 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

you need to calculate : pay off at year 6 in a setting of 6 year fixed (according to your wordings), although you refinance mortgage is 15 year.