?? ??????????????????
????:1??????????:????vx
2????????????
3?????????
4????????
5???????????
?????1??3???????????????? (??????????????? ?????????)??????????????????3??????,???
?????????????,???????????????????,?????????????????
??,???700????????????????????????(????????148???),??????????????,????????????????????8%10%?
?????,??,?????????????????????????????????????????????????????????9????????10?,??77693?(???????????16580???)?
???,???????????????????????,?,???????????????????
???,??(1-3???????)????????????,????????????????????,???????,??????????????????????????(3-5????????)?????,???????,?????????????????,??????(?????????????) ??:????