????:1????????:????????

2????????

3???????????

4????????

5???????????

???2???????????13? (??? ?????????????)??????????13?????????,????????????????????,????

???????????????,?????,?????10%??,????2000??(?)(????????,???????????????)?1???,???10???;?????1??????????????????,??????????????10????????????????,??????????10??,??????????100????????????????,??????????3?????,??????????1000???????

??,??????,??,???????????????????????????,????????????????;?????3????,????????50%??;????,?????????????????????

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