??????

??
??,??,?,??.

???.?????.???,?,????,,???????.???,??????????????

???????????????????????

??

???????????????????????????????

????????????????????????????

???

??????????????3%???????????????????????


??????????????????????
??????????????????????????0.25%??0.5%?0.1%???10%????????????????????
????0.3%?????2-3
???????
??????????????????????0.5%????????????


??????,??,??.???,?.?:?20,10,?10,?10,10,?10,20,?5,?10,?.