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

2????????95

3??????

4???????

5???150??????

??8??????????19???????(???)??????????«????»???,???11???26??????????????????30????????????????18???????,??100??,???????????????500???,??

??,??30%???,?500???????????60%,???,??????

???,???60?????????,???????????

???:?,????????????????????????????????????????????????????????????????????????,??????????????????100??????????????????????

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