?? ??????30??6.91% ?6????????
????:1?????:?????????
2????????
3?????????????
4?????98??
5??????????
??1?2???? (????????????????????????? ????????)?????????(Freddie Mac)????2??????,??30????????6.91%,????????????7??
???????????????????,???????30???6.91%,????????????????,???????????6.85%,??6.62%?
????????12???????????,??25?????4.25%?????????????????????4.50%?????????,2025?????????,????9????????,?????????????10???????
???????10???????????,10????????????????????????,??,????????
??,???????????,?“??????”?????,30??????????????2025????6%?????(??) ?????????????:????????