??
??????1?????????20?????????????????????????????????? (? ?)?????20????,???????????????????,?????
??«????????????????????????????????????(????????????)?»,????????????????????(??)??????????????3?,??6000???,??15%????,???1??????,??500??
20??,????????????????????“?,??3999?????,????????500???,???????????480????,???980???,??????‘??????’?”?????
????,?????????,???,??????????????“??”???????,?????????????????????“????”?(????????) ?????????:???
?????????
????????????????????????????????????