CȯͶʾ
43·⡿˾֤ȯͶʣĚ?C8%\xn
1A˾ȯA˾ȯֵ100ԪƱ810ݏÿ긶ϢһΣԏ黹ֵA˾м۸87.71Ԫ
2B˾ƱCСB˾Ʊмÿ9Ԫÿ0.9ԪAԺÿ6%
3C˾ƱCСC˾Ʊмÿ9ԪAδÿ1.5Ԫ꿪vڹ?һ̶ֹߡ
4A˾ȯĦϵ1B˾ƱĦϵ1.5C˾ƱĦϵ2
Ҫ
1㶫˾A˾ȯijKՊʣֱüͿrֵķ_
2A˾ȯB˾ƱC˾ƱԂֵ˾Ͷʾߡ
3~2Ľ㶫˾ѡ֤ȯͶ?BR>S
1ȯKij:
[8+100-87.71/10]/[87.71+100/2]=9.83%
rֵ:
100×8×P/Ai10+100×P/Fi10-87.71=0
10100×8×P/A1010+100×P/F1010-87.71=0
ȯеKij=10
2AƱͶҪ\Ҫ=4+1×8=12
A˾ȯԂֵ=100×8×P/A1210+100×P/F1210=8×5.6502+100×0.322=77.4Ԫ
BƱͶ\Ҫ=4+1.5×8=16
B˾ƱԂֵ=0.9×1+6%/16%-6%=9.54Ԫ
CƱͶ\Ҫ=4+2×8=20
A˾ȯм۸87.71ԪͶʼֵ77.4ԪʲֵͶʣ
B˾Ʊм9ԪͶʼֵ9.54ԪֵͶʡ
C˾Ʊм9ԪͶʼֵ8.19ԪʲֵͶʡ
ԣ˾ͶʹBƱ
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