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

2??????

3?????????

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

5?????????vx

???????????(1?????????30?)????????????,?????????????????

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????,????,????????,???12?22.5?????????????,?????????????????????????

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?5?????????

????,?51???,????????????????????????????????????????????????,????????????,???????????

?????????23.5%

????????????????,??,?????????2383.27??,????????559.25??????,??????????????23.5%?

????697?????????

??????:1???28???????16??????????????29??16??,??????644?????????A??195????75?????(??????????????)??????????????84????????697.35??????????????

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