ְм

Ӧ˿ֱ֤ʷ
Ӧ˿ֱ֤=(ڱҪֽ֧ܶ-ȶɿֽܶ)÷Ӧ˿ܼƽ
[]ij˾Ԥ2002Ӧ˿ܼƽΪ3000ԪҪֽ֧Ϊ2100ԪӦ˿ȶɿֽܶΪ600Ԫù˾2002Ӧ˿ֱ֤Ϊ2002꣩
A.70
B.20.75
C.50
D.28.57
𰸣C

Ӧ˿ֱ֤=(ڱҪֽ֧ܶ-ȶɿֽܶ)÷Ӧ˿ܼƽ=(2100-600)÷3000=50%
Ľڣ
һйسɱ

ĸвҪǾʱ;ܹʹܳɱ͵Ľö򾭼
һöĻģ
1.öģ͵ļ裺ýģʽ¼Ϊǰ᣺
1ҵһʱڵĽԽΪ׼ȷԤ⣻
2ĺû۱ȽϾ⣻
3ļ۸ȶҲۿۣȫҵоÿΪʱһһελ
4ִֽƣ
5ȱΣ
6гӦ㣬򲻵Ӱ档
2.سɱ
䶯=×ÿν=A/Q×B
䶯ɱ=ƽ×λɱ=Q/2×C
3.Ѳɹļ㹫ʽΡ
پö(Q*)ʽ
ڻʽݱʽ
ܳɱ(TC(Q*))ʽ
ÿѶ(N*)ʽ N*=/ö=A/Q*
Ѷ(t*)ʽt*=360/N*
öռʽ( I*)ʽ:I*=ƽ·=Q*/2·P
[8-4]ij˾Ҳ36000ǧˣòϲɹɱΪ200Ԫ/ǧˣȴɱΪ16Ԫ/ǧˣƽÿνΪ20Ԫ
Ҫ
1㱾Ҳϵľý
:
㱾Ҳϵľý
Ҳϵľý