?? ??????30?????????
????:1?????????:???????
2????????????
3???????
4?????????95?98
5??????50?
????2????3????,???????,????,?????????????30?????????
???????????????????,??,????“?”?
?2??????????????????????1???????????????,???25%???????????????2??2??,???????????????1550???25%???????????(? ?? ??? ??)
??:??????????