????:1?????????:??????90?????

2?????????????

3????????

4???????

5????????????

????????????2?6?????????? (??????????)?????????6??,?????????????,????????????????4.36?????????,???5600????,??“????”?????????????

?????????????,??????????,??????,????,?????????????????,???????????????????,???????????

??,?????????????,?????????3%????,???????????????????????????????????

???,??,?????,???????????????????????????????????????????,?????????????,???,?1000?????????19.4%?(???) ????????:???????????????