????:1????????:?????????100??

2???????

3???????200??

4???????

5?????????

?12??????????19??? ??????????19????????????????????????,???????????????????,????????????????4000??,??????5000???????????,??????????????????

??,???????????,?????????????????,?????416????????,???????????????????????????????,?????????800???,????????????????????????????????????????

???,?????????????????,?????????????????,????????????,?????????11.7%?

??????????????????????????????,?????????????,?????????????????????,????????????????(????) ??????:?????????????