采购与库存管理习题和答案 完整

A B C 解：

不同品种相同周期的联合订货

10000 500 100 100 500 1000 1000 T*=2C0RiC1i Qi*=Ri2C0RiC1i i=1,2,…,n

因此，RiCi=10000*100+500*500+100*1000=1350000

T*=2C0RiC1i = 0.03849（年） QA*=10000*0.03849≈385（件） QB*≈20（件） QC*≈4（件）

13. 假如说，价格——50%，品质——30%，交货——20%

Supplier A B C Price $59 $63 $70 总交货次数 65 35 45 迟交次数 13 2 7 退货次数 6 0 2 Weighted Factor Analysis - Price

Weighted

= = =

Average Rating Factor

100.0% x 0.50 93.7% 84.3%

x 0.50 x 0.50

= 50.0 = 46.8 = 42.1

Bid Direct Price

Price Comparison*

$59 59/59 $63 59/63 $70 59/70

Supplier A Supplier B Supplier C

* 最低报价/实际价格 (以最低报价为分子) Weighted Factor Analysis - Quality

Total

Total

Weighted

Percent Average Rating

Shipments Shipments

Received Rejected Accepted Factor

65 6

90.8%

x 0.30

= 27.2

Supplier A

Supplier B Supplier C

35 0 45 2

100.0% x 0.30 95.6%

x 0.30

= 30.0 = 28.7