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

2???92?

3???????

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

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

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

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

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

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