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Űϵһָ
ʲ=/ƽ(qun)
ָķӷĸͬr(sh)ƽʲ:
ʲ=×ƽʲ/ƽ(qun)×ƽʲ
=/ƽʲ×ƽʲ/ƽ(qun)?BR>=ʲ×(qun)
ʲ=/ƽʲ
ָķӷĸͬr(sh)I(yng)I(y)?
ʲ=/ƽʲ
=×I(yng)I(y)?ƽʲ×I(yng)I(y)?BR>=/I(yng)I(y)뾻×I(yng)I(y)?ƽʲ
=I(yng)I(y)×ʲD(zhun)
ŰϵĺĹʽ:
ʲ=I(yng)I(y)×ʲD(zhun)×(qun)
ӹʽ\ʲʸߵ͵:I(yng)I(y)ʣӯʲD(zhun)ʺ(qun)֮󣬿@Ѿʲһۺָ귢仯ԭ廯ֻһۺ֗U⡣
(qun)ĺ?
Ӽ㹫ʽԿծԽߣœԽߣȨؓ(f)ͬ?BR>P530 12-25 Űϵ
ݱ12-2ͱ12-3sǰеļRABC˾2003oľʲʽз
ʲ=I(yng)I(y)×ʲD(zhun)×(qun)
2002ָ:13.33×0.92×1.41=17.29 (1)
һ:12.60×0.92×1.41=16.34 (2)
(2)-(1)=16.34-17.29=-0.95I(yng)I(y)Ӱ
Ԝ:12.60×0.93×1.41=16.52 (3)
(3)-(2)=16.52-16.34=0.18ʲD(zhun)Ӱ
:12.60×0.93×1.38=16.17 (4)
(4)-(3)=16.17-16.52=-0.35(qun)Ӱ
ָ֮Ĺϵ:
1.ʲһۺ(qing)IJʣǶŰϵĺġ
ָĸߵȡI(yng)I(y)ʣʲD(zhun)(qun)
2.I(yng)I(y)ʷӳI(y)I(yng)I(y)Ĺϵ
3.ʲD(zhun)ʽʾI(y)ʲܶ(sh)I(yng)I(y)ۺ
4.(qun)ӳ(qun)ʲĹϵ(qun)Խf(shu)I(y)̶Խ]ܸI(y)ϴIJܸͬʎŲ^İV?BR>12-4֪ij˾2001Ʊй: 2002ݏ?BR>?Ԫ
ʲĿ
ĩ
ʲ
8000
10000
4500
6000
(qun)
3500
4000
Ŀ
I(yng)I(y)?/DIV>
ԣ
20000
ԣ
500
Ҫ:1Űϵеָݏָ漰ʲĿ~ģƽ?
پʲʣ
:ʲ=500÷[(3500+4000)÷2]×100% =13.33%
ʲʣλС
:ʲʣλС=500÷[(8000+10000)÷2]×100%=5.556%
I(yng)I(y)ʣ
:I(yng)I(y)=500÷20000×100% =2.5%
ʲD(zhun)ʣλС
:ʲD(zhun)ʣλС= 20000[(8000+10000)÷2] =2.222Σ
(qun)
:(qun)=1÷{1-[(6000+4500)÷2]÷[(10000+8000)÷2]} =2.4
(qun)=[(10000+8000)÷2]÷[(4000+3500)÷2]=2.4