??????!????25%???????????

???2???????????19???????????????????????????????????????(?)??????????????????,????2????18??,???,???25%???,?4????????2???

????,?????????????,????????????????,????,??????10%?,??????????????,???????????,?????????????25%???

??,?????18?????????,4???????????25%???,??????

??????,????????????,???????“???”?????“????????????????????????????”,?????????

???????????????????,??,?19????(??)