????:1???????:????300?????

2??????????

3???????

4???????????

5?????????

???2?12?????(? ???????????????????)????????????12?,???????????????????,?????,????????????,????????????,????????????20%?

2??????????????????????12????,???????????????????? ?????????

?,????????,?15%?

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

??2?????????????????????????5?????????,?????????????????????(??)

????????????????????:???