?? ????????????????
????:1??????150?:?????????
2??????
3???200??
4???????????
5?????v
????????????2????4?????????? (???????????? ?????????????????????)???????????4????????????,????,??????????????
2?1?????????????????,???????????10%????
4?????????????,????,??,?????,????????????,??????????????????????,???????????????,??????????????????????????????????????????????,???????,??????
??,???,??????????,??,??????????????????????????????????????????????(?) ??:??