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

2??????????

3?????

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

5????92??95???

??2???2???????? ??(BBC)???,???2?????1???????,?,??????????????25%??,???????????

?,?,????????????????1550???25%????????300???2????4???????????????,1250?21???

???,???????,????

???????????????,??????????,??????????????????25%??????????,???????????10%?

??????????,??????????,????????????,??????????????????????????????????????? ?????????:??????????