?????? ????????????

????????????????2??????????8?????????????????????? ????,?????????????,?????????????????????????????????????????????????????????,???????5600????,?????????????????????160???????,??????,????,????????????????“????”???“???????????”????????,????,???????????

“???????????????????????”?????????????????????????????????,??????(??=2000???????????????????????=1500????????????)???????,??????,????,??????????????????,?,1??2????????????????,??????????????????7%????????????????????????????????;???,11?????12???11%?;???????????8%??????????????????,??“????”?????????????600??,????90%?

??,??,“???????????,????????????????,???????”

“???????????????????????”?????????????????????,?????????,??????????????,??????????,?????????????????,???,??,??????????????????,???????????,????????????,??????,??????????6.74???????????,?????????????1.35????????????

“?????????,??5????????????????,??????,????”??????????“?????????????”?????

“????????+????”????????????????????????????,???????????????,?“???????”???????,?????,???????????????,?,??“????”??????????????????????????????????;??????,???????????????????????????????????????????????????,?????????

?????????????????,????,????????,?????????,????????????????????????????????,???????????????????????,????????,???????? ??????:???