2. 1 By: Prof. Y. Peter Chiu 10 / 31 / 2010 POM Oct-2010 – Mid-Term Exam. #1 - A 卷 ~ SOLUTION 2 of 2 ~ #12 ~ #20

3. 2 #16~20 InvDem.Adj Dem. K Work ers Reg’d chaseProdInv.If adj Wor kers If adj Inv. 750Dec. 40 150Jan.2100150040 38 -21520203820 150Feb.1600 40 +21600204020 150Mar.1750 40 44 +41760304430 150Apr.2580 40 65 +212600506410 150May.1500 40 38 -271520703830 250Jun.1600170040 43 +51720904210 1000 -29+32280 120 (#17) K = (23*8) / 4.6 = 40 (#16) (#18) #16~#18

4. 3 Overall costs = 29(500)+32(250)+280(8) +1000(8) = $32,740 if adjust costs = 28(500)+30(250)+120(8)+1000(8) = $30,460 #18

5. 4 Overall costs = 7(250)+3040(8)+1000(8) = $ 34,070 Safety Stock Dem. Adj Dem. Comm. Dem K Workers Reg’d stable Cumm Prod Inv. 15020401500 4038 47 1880380 1501600 31008039 47 3760660 1501750 485012041 47 5640790 1502580 7430160 47* 47 752090 1501500 893020045 47 9400470 25014401700 1063024045 47 11280650 1000 3040 40 #19

6. 5 Case1 Adj D Cumm D 40 Mix-ST.Cumm K Cumm P Inv. 1500 +747401880380 1600310047803760660 17504850471205640790 2580743047752090 15001410-8391560150 1700155039156010 2080 (H)(F)(I) Total 1750400016640800030,390 -7.2% #20

7. 6 Case2 Adj D Cumm D 40 Mix-ST.Cumm K Cumm P Inv. 1500 40 1600100 16001500+848801920420 17501330+1491201960630 2580195049196010 15001490-9401600110 1700159040160010 +23-23 1280 (H)(F)(I) Total 2250450010240800024,990 -23.8% #20

8. 7 Case3 Adj D Cumm D 40 Mix-ST.Cumm K Cumm P Inv. 1500 +141401640140 1600310041803280180 1750485041120492070 25807430+2263129010 15001490-23401600110 1700159040160010 +23-23 520 (H)(F)(I) total 5750115004160800029,410 -10.2% #20

9. 8 Case4 Adj D Cumm D 40 Mix-ST.Cumm K Cumm P Inv. 1500 40 1600100 1600150040801600100 17501650+13531202120470 2580211053212010 15001490-13401600110 1700159040160010 +23-23 800 (H)(F)(I) total 3,2506,5006,400800024,150 -26.4% #20

10. 9 Case5 Adj D Cumm D 40 Mix-ST.Cumm K Cumm P Inv. 1500 40 1600100 16001500+646801840340 17501410+4501202000590 2580199050200010 15001490-10401600110 1700159040160010 +23-23 1160 (H)(F)(I) total 250050009280800024,780 -24.4% #20

11. 10 ≒ The End