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

??

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

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

????????????,???????,“????,?,???”

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

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

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

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

?????????

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

????????