?? ????????????????:???
????:1?????????????:??????
2???????
3????????????
4?????vx
5??????????
?????????????2??6???????? (??????????? ????????????????????)?6????,?,??????????????????????
?????????????????????,??????2???4????,??????????????????
??,????????????????6????????,?????????,????????????,?????????????????????????10%??????????,?,??????,????????????????????
????,???,?????????????,?????????,?????,?????,?????????????,?????????????????????,???????????????????????(????????????) ????????????????:???