????:1???????????:?????100???????

2?????????

3?????????

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

5??????????

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

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

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

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