???????2?????????????м????
???????2,?????????,???????????????
?????????????????????? ?????????????????仯??
?????7%????????????20653????????????7%??????????
??????2??????????????è???????????è???7%?????????????仯???μ??è?????????????????31.2%????è???7%??????????????仯
???????????????κ??????????? ???7%???????????仯??????μ???????????????????22.4%????в??????????????????????仯??
?????????????????????????? ??????? ?μ???????????17%????β???????7%??????????????仯?????????????? ????????????μ???????????10%?????????????????????仯??
??????????????????????(?μ?????????)??????è???????????????????????????????????1.2% ?????? ??????仯??
??????????????μ?????????????????????????8.2%??
??????????7%???? ????????????????С??? ???????????ó??????????????????8.8%???????????????????????????????????????8%????? ??????17????????40????????????????4???????e? ?????????Щ???????????????????????????????(39%+17%+22.4%+6%-8.2%=76.2%)??????????????????????????????? ?о??е???
??????????????????????м?????????????????????????????????????????????
???????? ???????????????è??????????????6??(??????24%????)????????6?? ??????????????????????????????????????è???????????????????????????è??????????
???????2??????????? ????1-13???????????
