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

2???????

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

4???????

5??????????

??????????????????????????????8????28?? (????????????? ??)?????????28???,200????????????2????????????????27???????????????,??????????????????6??????????????????,????

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

??,?????????????????????????????6???,???????????,??????????????“???????????????500????,??????”

?,?????7???????,???????????????????142.5?,?8.9%?(????????????) ??:???????????????????