2013мְƿԡ¿ǰ

֤ȯͶʾ
43·⡿˾֤ȯͶʣĿǰ޷Ϊ4гΪ8%ıѡ£
1A˾ծȯաA˾ծȯֵΪ100ԪƱ810꣬ÿ긶ϢһΣڹ黹ֵA˾м۸Ϊ87.71Ԫ
2B˾ƱڳСB˾ƱмΪÿ9ԪÿɹΪ0.9ԪԤԺÿ6%
3C˾ƱڳСC˾ƱмΪÿ9ԪԤδÿɹΪ1.5Ԫӵ꿪ʼԤڹÿ2߽һ̶ֹߡ
4A˾ծȯĦϵΪ1B˾ƱĦϵΪ1.5C˾ƱĦϵΪ2
Ҫ
1㶫˾A˾ծȯijյںʣֱü򻯷Ϳʱֵķȷ
2A˾ծȯB˾ƱC˾ƱڼֵΪ˾Ͷʾߡ
3ݵ2ʵĽ㶫˾ѡ֤ȯͶʵ
𰸡
1ծȯյij:
򻯷[8+100-87.71/10]/[87.71+100/2]=9.83%
ʱֵ:
100×8×P/Ai10+100×P/Fi10-87.71=0
Ϊ10100×8×P/A1010+100×P/F1010-87.71=0
ծȯеյij=10
2AƱͶҪıҪ=4+1×8=12
A˾ծȯڼֵ=100×8×P/A1210+100×P/F1210=8×5.6502+100×0.322=77.4Ԫ
BƱͶʵıҪ=4+1.5×8=16
B˾Ʊڼֵ=0.9×1+6%/16%-6%=9.54Ԫ
CƱͶʵıҪ=4+2×8=20

A˾ծȯм۸Ϊ87.71ԪͶʼֵ77.4ԪʲֵͶʣ
B˾ƱмΪ9ԪͶʼֵ9.54ԪֵͶʡ
C˾ƱмΪ9ԪͶʼֵ8.19ԪʲֵͶʡ
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