?????????????????????PK?????Щ??? ?????????PK????????÷??? ??????????佫PK??????

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?佫???????=A

?佫???????=B

?佫??????=A+B1

???????????=A+B2

??????????????=A+B3

???????????????X

??????????????X1

?????????Y

?????????????????????????????????????????????????????ж??????????????????翪?????????????????????????????￡?????????X???????????????????????????X1??????δ???????????????????????Y????????????????????Y???

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1??A=???????+(???-1)*????

??????????8?????7?????6?????5?????4.?????3

?????????????????????????佫????????????

2??B=????+?+??+??????

3???佫???????а??????????M

M=A+B

4????????M1 ??????????????????d??(???????????????佫??????????)

M1=A+B1

B1=B+(A+B)*d

M1=M(1+d)

5??X=M*(1+d+e) e ????????????

B2=B+(A+B)*(d+e) X1=M*(1+d+e+f) f ????????????????

B3=B+(A+B)*(d+e+f) ??20% ??25% ??30% ???45%?????????50%???????????????????????????ɡ?

f???????(X1-X)/M ????????????????

Y=X1*(1+g) g??????? ??? 30%??????????????????

??????????????????????鶼?????

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6?????????????????????????ó????????

???????=???*(1+???)

????????????? ?????????50%

?????????P=X1*1.5 ?? X*1.5

???????ò??????????(??????????????)

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?????????С????1.70????????

?????????3??????????????????

?????????3??2??2??1??????赸???

?????????????40407????????????http://www.audiogearreviews.com/tfsgz/

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