????Ч?????д??????n%?????и?????????????2??20%???????????????“????×(1+20%)(1+20%)”???????“????/(1-20%)(1-20%)”,????“????×(1+20%×2)????????????????????
(?????????????????????A?????????????B??????????????????C????)
?????????????????????????
???? ????? ????? ????? ????? ???
? 624 54% 667 18% ??
?? 808 56% 870 20% 10%+12%+20%
?? 1168 56% 1211 20% ??
?? 3048 56 3099 20% 18%
?? 1598 56% 1669 20% 18%+18%+28%
?? 3274 54% 3325 18% 10%+10%
?????????ó???????8С?40???????ò?????ι??????????????仯??????
??? ??????? ?????????????? ????????????
? 43?? 36?? 0 0%
?? 62?? 36?? 19 19/43=44%
?? 43?? 36?? 0 0%
?? 51?? 36?? 8 8/43=19%
?? 71?? 36?? 28 28/43=65%
?? 51?? 36?? 8 8/43=19%
(???????Чλ???????????????λ??Ч????)
???????????ó??????????
1??????????4.17??/С?(100/??)
2????????????????????4.96/С?(??120/??????????????????????125/??)
????????????б?????
??? ?????? A B C
? ?? 0 0% 0% 0%
?? 10%+12%+20% 44% 48% 57% 44%
?? ?? 0 0% 0% 0%
?? 18% 19% 18% 22% 18%
?? 18%+18%+28% 65% 78% 106% 64%
?? 10%+10% 19% 21% 23% 20%
(???????????ù?????????1??á?????????(1+n%)(1+n%)????????1.1×1.12×1.20-1=48%)
???????????????????1????????(???仰???????????????????203.56?????????????????204)??????????‘??????’?????1/43=2%???????????????????19%??????????????17%-21%????????????
???????п??????——
????????????????????????Χ???A???????????????????????????????????????顢???????????????????????飬???78%-65%=13%????????????????????????????????Χ???????á?(???????????????￡?20%×43=8.6??8?????????????????λ?????????????????????????????)
??????????????飬???????????6??20%?????????500????????20??С???????????500/1.83??=273/?????????(273-125)/125=118%???????????????????????????????199%??281%??120%???????????????
(?????????????????????????????e??????????????????????????GM?趨????????????????????????????????????????——??????????????????????????——?????λ?????!?????????????????????????Ч????????????????????????????????????????????λ???????)
???
1??????????????????100????????120(?????????125)
2????????????????????*(1+n1%+n2%+n3%+……)
(n1??n2??n3……???????ò??Ч???)
????????????????????????????????????????40407???????40407????????
