?? ???????????????????????
????:1????????????:???????????
2???????
3?????800??
4???????????
5???????????
??????????2??????????????5?? (?????????? ??????)?(?)4??,??7??(1?????28????2????????3????),??????465??????,????????28%,????63%?
??,?????,?????????????????????????????,??????????????????????????????????????????????,???????????????????????????????,?????????????????????????????????,??????????????,???
??????????????,?????????????????,???????7????????,????????????????,2??????????????????????3??????1?28????,?,???????????,??????????(??????????) ?????????:??????