???????????? ????0.5?????

????:????????:??????

??9??????24?? (???????????????????? ??)????24????????????,?????????????

??????????????,??,??????????????????????0.5????????

????????8???,?????????????,???????5????????????17??,????,????????????????????????,?????????????,?????????????????????????????????????,??????,????????????????????????

????,??????????????????????,?????????????????????,???????????,???????????????????0.5????????????

?,??????????????,???5000????,1.5??????????????????,??????1500?????????????,?,?????????????????????????,???,???????????

??????????,?????,????????25%???15%?(?????) ???:??????????????