?? ???70????????????
????:1?????:???????
2??????????
3???????????
4???????
5????????vx
????????????????????? ??
???6??8????(?????? ??????????????????)8??????,?,???????,???????????70?????????????,???7.5%????????????????58??????
8???,??8?,?????????????????????????????????????????????????????????????,???????????2.8??,???9??,?????????????
??????????,?,??????????????????????,?????????????8???5000???????????????????,??????1.5??,?????????????????83%????
??,???????????????,???,?,?????????????????????????????????????(???)
????????????????????????:???????