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

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

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

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

5??????????

????????2????????????6?? (?????????????)??????????6?,????????????,??4.36?,????????????????5600????,??????????“???????”??????????

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

??????,??????????,???????3%???????????????,??????????????????????????????????

??????????,????,????????????????,?????????????????????,????,?????????????,??1000???19.4%?(??????????????) ??????????????:???????????????