????:1???????:????680?24???

2???????300????

3??????????92??95

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

5???????

??2?10???????????? (???)?????????????????????10??????????????????

???????10????????,??????????,???????????????,?12?????????15?????????????????

??????,????????,???????????????????3??5??,?????????????15%??20%?

?,?,???????????????????????????????????????,????????????????????????1.8?,???????????????50???,?????????120???????,?????????????

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

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