?2??????????1???,??,???,??????????????1550?25%????300??????????2??????????????????????????4??????,1250???????21?????
??????,????????,???????
?2?1??????????,????,???25%?????(???????? ????????????) ??????????????????:?????
??????????????????
??:??????????
??????????!??????????40?
??:??????????????????
?????????10?????10????
???????????????????
???????!??????20???????
???????????????????
?????????????:????????
?????:??&????????????
??????!??:???????????
??????????????360°????
????????????????????!
?????????????????????
??2?????????:?????????
??????????????????????
??????????????????
????????????????????
????????:????????????
????3???????7.2%
?????????????????7???
??????????????????????
???????????10????????
???????????????????
??:????????????11?45?