ְм

8-13ڿ
ƷͨҵƷ2000λֵۣ˰100Ԫλۼ120Ԫֵ˰ƷһηΪ20000Ԫд10.8%±ܷ3룬˰𼰸1600ԪҪ
ټıڣ
£
ÿձ䶯=××ձ䶯
=2000×100×10.8%/360+3/30
=80Ԫ
ҵҪ3%Ͷʣ㱣ڣ
£
Ŀ=Ͷʶ×Ͷ
=2000×100×3%=6000Ԫ
ʵʴ200죬ܷʵ3%ĿͶʣ٣
:
Ʒʵʻ=ÿձ䶯×-ʵʴ
=80×230-200=2400Ԫ
=ʵ-Ŀ
=2400-6000=-3600Ԫ
=ʵ-Ŀʣ
4000Ԫʵʴ
Ϊ=ÿձ䶯×-ʵʴ
=80×230-200=2400Ԫ
ʣ
3.ӯļ㣺
ӯ
=ÿձ䶯×[ƽ-ƽʵʴ]
=ÿձ䶯×[ƽ-ɢ+1/2]
̲P351[8-14]۵Ĵģʽ
ҵHʹ20001000Ԫֵ˰ÿд12룬ҵ´ܷ13500ԪĹ̶200000ԪгзϢôվԼ12167ҵʱ䷽ȫ۳λۼֵۣ˰1250Ԫ˰𼰸125000Ԫ
1
=(ë-̶-˰𼰸)/ ÿձ䶯
=[1250-1000×2000-200000-125000]/1250
=140죩
Hƽʵʴ=1/2×/վ+1
=1/2×ʵɢ+1
=1/2167+1
=84죩
HԤƿɻ=ÿձ䶯×ƽ-ƽʵʴ
=1250×140-84
=70000Ԫ
[8-6]ij˾Ʒ3000λ70Ԫֵ˰λۼ100Ԫ˰ƷĹ̶Է25000Ԫн9%±ܷ2%˰𼰸Ϊ10000Ԫ
Ҫ
1
2ͶΪ4%ʱı
3ʵʴΪ200ʱʵ
4ƽÿ30㾭
:
1ÿձ䶯=3000×70×9%/360+3000×70×2%/30=192.5Ԫ
=[3000×100-70-25000-10000]/192.5=286죩
2
=[3000×100-70-25000-10000-3000×70×4%]/192.5=242죩
3ʵ=286-200×192.5=16555Ԫ
4ɢ=3000/30=100죩
ʵ=[286-100+1/2] ×192.5=45333.75Ԫ
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