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

2????????????????

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

4????????

5????????

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

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

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

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