????:1?????600?????:??????

2???50??????

3???????

4??????

5?????????

??6???25?? (????????????????? ????????????)?????25???????????????,??????1??5??????????,??897.84???????,??20.08%?

????(?????)??????????????? ?? ???????????????????

????????,??“??????????????”?????????????,??????300??????????,??,??,????????????????????,????,???,???????????10?????????,??

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