?? ???????????287.8??? ???5.7%
????:1??????????:????
2?????1000
3?????
4???????????
5???????
??11?????29?? (????????? ?)?????????29?????????????,??????????????1???10?????????,????287.8??(?????????????,??),??,??????????5.7%?
10????,?,??????????????????????????????????,????????,??,??
?????????????????,1?????????10????????????,???,????????5.8%????????,????4.1%,??????,??????????????????????????????????????1????????10???,???????????????8.0%,????????????
1?????????10?????????????,??11.3????????,?3.8%????,????????????????????????????????????????????,??50%???????????,????,????????????????????????????,????????
???????????????,?,??????????????,????,????????????,??,????????(???????????) ?????????:??