????:1?300??4???:???????

2?????

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

4????????

5????????

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

15?????2.2??????

???????????????15?????,????,??,15??2.2?????????????????????,???14%?

??????????????,15??????33003400???????,?????2??????????????,?????????

??????,15???1680????,?????????????????????14???

??,????????15?????????????????189????????????

?????

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

????????????“??”?????

????:

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??,??????????,9???????15????????????????

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???,????????????????????????????15%,?????????????????????????????????????????????????????????????30%? ????:???