商务数量方法 作业2 李成

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1、中南林业科技大学国际学院国际商务2班李成（学号：20095450）商务数量作业二2013年4月27日2小组组距频率累积频率10.01-10.003232210.01-20.001456320.01-30.00763430.01-40.00366540.01-50.00268650.01-60.00068760.01-70.00573870.01-80.001743qnPO=Year1Year2Year3Year4A13.4*6.1=81.7412.2*7.3=89.0615.0*8.0=120.016.8*7.5=126B13.4*8.5=113.912.2*8.

2、7=106.1415.0*10.9=163.516.8*12.9=216.72C13.4*9.3=124.6212.2*12.7=154.9415.0*12.5=187.516.8*11.9=199.92∑qoPn320.26350.14471.00542.64∑qoPo320.26320.26320.26320.26∑qoPn∑qoPo=320.26320.26350.14320.26471.00320.26542.64320.26数量100109.32147.06169.43qnPO=Year1Year2Year3Year4A13.4*6.1=81.7412.

3、2*6.1=74.4215.0*6.1=91.516.8*6.1=92.48B4.2*8.5=35.74.0*8.5=344.6*8.5=39.15.2*8.5=44.2C8.0*9.3=74.48.6*9.3=79.988.6*9.3=79.989.6*9.3=89.28∑qnPo191.84188.4210.58225.96∑qoPo191.84191.84191.84191.84∑qnPo∑qoPo=191.84191.84188.4191.84210.58191.84225.96191.84价格百分比10098.21109.77117.86(2)Y=6.8

4、759X-23.045X=10Y=6.8759*10-23.045=45.714X=60Y+6.8759*60-23.045=389.509(3)=0.88=0.94只付利息贷款L=10000,r=12%A=L×r=1200Am==100(2)偿还贷款==33289.166(3)养老贷款A=+100平均需求=(200+195+203+210+200+204+198+190+200+200)/10=200平均需求=d=50*200=10000Oc=9hc=2uc=83%xq的平方=2*oc.d/hc所以n=d/q每年总成本tac=uc*d+oc*d/q+hc*q/2

5、所以最优订购量q=300订购次数n=330每年下订单次数=10