????:1????????????:??????wx

2?????vx

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

4????????

5???????????

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

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

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

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