?? ???????????3% ??????
????:1???????100?????:?????
2???????????
3?????????
4????????
5?????????
?????11?????22?????????? (?? ??????????)???A??????????????22????????(???????????)??,???????????????????????????,????????????,???3%,??3300??????
?????????????,???????3267??????????????,?????????????3.06%;??????10438?????,???????????????3.52%;????2175?,??????????????????3.99%?
??,????,A?????????????;??,?????????????,A????????????,??,????,?????????????????3300?,??????????????????????
?,???A????,????????????,???????1.95%,?????A?????????????,??????????????????(??10%)?
?????????????????,????22?,?????????????????????,??????????,???(????) ?????:??