1. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Making Supplement A

2. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Break-Even Analysis

3. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Break-Even Analysis Patients (Q) Dollars (in thousands) 400 – 300 – 200 – 100 – 0 – |||| 500100015002000 Example A.1

4. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Break-Even Analysis 400 – 300 – 200 – 100 – 0 – Patients (Q) Dollars (in thousands) |||| 500100015002000 Example A.1 QuantityTotal AnnualTotal Annual (patients)Cost ($)Revenue ($) (Q)(100,000 + 100Q)(200Q) 0100,0000 2000300,000400,000

5. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Break-Even Analysis 400 – 300 – 200 – 100 – 0 – Total annual revenues Patients (Q) Dollars (in thousands) |||| 500100015002000 (2000, 400) Example A.1 QuantityTotal AnnualTotal Annual (patients)Cost ($)Revenue ($) (Q)(100,000 + 100Q)(200Q) 0100,0000 2000300,000400,000

6. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Break-Even Analysis Total annual revenues Total annual costs Patients (Q) Dollars (in thousands) 400 – 300 – 200 – 100 – 0 – |||| 500100015002000 Fixed costs (2000, 400) (2000, 300) Example A.1 QuantityTotal AnnualTotal Annual (patients)Cost ($)Revenue ($) (Q)(100,000 + 100Q)(200Q) 0100,0000 2000300,000400,000

7. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Break-Even Analysis Total annual revenues Total annual costs Patients (Q) Dollars (in thousands) 400 – 300 – 200 – 100 – 0 – |||| 500100015002000 Fixed costs Break-even quantity (2000, 400) (2000, 300) Profits Loss Example A.1 QuantityTotal AnnualTotal Annual (patients)Cost ($)Revenue ($) (Q)(100,000 + 100Q)(200Q) 0100,0000 2000300,000400,000

8. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Break-Even Analysis 400 – 300 – 200 – 100 – 0 – Figure A.1 Total annual revenues Total annual costs Patients (Q) Dollars (in thousands) |||| 500100015002000 Fixed costs Break-even quantity (2000, 400) (2000, 300) Profits Loss

9. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Sensitivity Analysis 400 – 300 – 200 – 100 – 0 – Total annual revenues Total annual costs Patients (Q) Dollars (in thousands) |||| 500100015002000 Fixed costs Profits Loss Example A.2

10. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Sensitivity Analysis 400 – 300 – 200 – 100 – 0 – Example A.2 Total annual revenues Total annual costs Patients (Q) Dollars (in thousands) |||| 500100015002000 Fixed costs Profits Loss Forecast = 1,500

11. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Sensitivity Analysis 400 – 300 – 200 – 100 – 0 – Total annual revenues Total annual costs Patients (Q) Dollars (in thousands) |||| 500100015002000 Fixed costs Profits Loss Example A.2 Forecast = 1,500 pQ – ( F + cQ )

12. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Sensitivity Analysis 400 – 300 – 200 – 100 – 0 – Total annual revenues Total annual costs Patients (Q) Dollars (in thousands) |||| 500100015002000 Fixed costs Profits Loss Example A.2 Forecast = 1,500 pQ – ( F + cQ ) 200(1500) – [100,000 + 100(1500)] $50,000

13. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Make-or-Buy Decisions

14. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Make-or-Buy Decisions Figure A.2

15. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Make-or-Buy Decisions Q = F m – F b c b – c m Q = 12,000 – 2,400 2.0 – 1.5 Example A.3

16. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Make-or-Buy Decisions Example A.3 Q = F m – F b c b – c m Q = 19,200 salads

17. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Preference Matrix

18. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Preference Matrix PerformanceWeightScoreWeighted Score Criterion(A)(B)(A x B) Market potential Unit profit margin Operations compatibility Competitive advantage Investment requirement Project risk Threshold score = 800 Example A.4

19. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Preference Matrix PerformanceWeightScoreWeighted Score Criterion(A)(B)(A x B) Market potential30 Unit profit margin20 Operations compatibility20 Competitive advantage15 Investment requirement10 Project risk5 Threshold score = 800 Example A.4

20. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Preference Matrix PerformanceWeightScoreWeighted Score Criterion(A)(B)(A x B) Market potential308 Unit profit margin2010 Operations compatibility206 Competitive advantage1510 Investment requirement102 Project risk54 Threshold score = 800 Example A.4

21. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Preference Matrix PerformanceWeightScoreWeighted Score Criterion(A)(B)(A x B) Market potential308240 Unit profit margin2010200 Operations compatibility206120 Competitive advantage1510150 Investment requirement10220 Project risk5420 Threshold score = 800 Example A.4

22. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Preference Matrix PerformanceWeightScoreWeighted Score Criterion(A)(B)(A x B) Market potential308240 Unit profit margin2010200 Operations compatibility206120 Competitive advantage1510150 Investment requirement10220 Project risk5420 Weighted score =750 Weighted score =750 Threshold score = 800 Example A.4

23. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Preference Matrix PerformanceWeightScoreWeighted Score Criterion(A)(B)(A x B) Market potential308240 Unit profit margin2010200 Operations compatibility206120 Competitive advantage1510150 Investment requirement10220 Project risk5420 Weighted score =750 Weighted score =750 Threshold score = 800 Example A.4 < 800

24. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Preference Matrix PerformanceWeightScoreWeighted Score Criterion(A)(B)(A x B) Market potential308240 Unit profit margin2010200 Operations compatibility206120 Competitive advantage1510150 Investment requirement10220 Project risk5420 Weighted score =750 Weighted score =750 Threshold score = 800 Example A.4 Not At This Time

25. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Preference Matrix Figure A.3

26. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Certainty

27. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Certainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Example A.5

28. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Certainty Example A.5 AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand If future demand will be low –

29. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Certainty Example A.5 AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand If future demand will be low – Choose the small facility.

30. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Certainty Example A.5 AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand If future demand will be low – Choose the small facility.

31. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Example A.6

32. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Maximin – Example A.6

33. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Maximin – Best of the worst Example A.6

34. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Maximin – Small Best of the worst Example A.6

35. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Maximin – Small Maximax – Example A.6

36. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Maximin – Small Maximax – Best of the best Example A.6

37. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Maximin – Small Maximax – Large Best of the best Example A.6

38. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Maximin – Small Maximax – Large Laplace – Example A.6

39. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Maximin – Small Maximax – Large Laplace – Best weighted payoff Small facility0.5(200) + 0.5(270) = 235 Example A.6

40. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Maximin – Small Maximax – Large Laplace – Best weighted payoff Small facility0.5(200) + 0.5(270) = 235 Large facility0.5(160) + 0.5(800) = 480 Example A.6

41. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Maximin – Small Maximax – Large Laplace – Large Best weighted payoff Small facility0.5(200) + 0.5(270) = 235 Large facility0.5(160) + 0.5(800) = 480 Example A.6

42. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Maximin – Small Maximax – Large Laplace – Large Minimax Regret – Example A.6

43. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Example A.6 Maximin – Small Maximax – Large Laplace – Large Minimax Regret – Best worst regret Regret Regret Low DemandHigh Demand Small facility200 – 200 = 0800 – 270 = 530

44. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Example A.6 Maximin – Small Maximax – Large Laplace – Large Minimax Regret – Best worst regret Regret Regret Low DemandHigh Demand Small facility200 – 200 = 0800 – 270 = 530 Large facility200 – 160 = 40800 – 800 = 0

45. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Example A.6 Maximin – Small Maximax – Large Laplace – Large Minimax Regret – Large Best worst regret Regret Regret Low DemandHigh Demand Small facility200 – 200 = 0800 – 270 = 530 Large facility200 – 160 = 40800 – 800 = 0

46. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Uncertainty AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand Maximin – Small Maximax – Large Laplace – Large Minimax Regret – Large Example A.6

47. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Risk AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand P small = 0.4 P large = 0.6 Example A.7

48. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Risk AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand P small = 0.4 P large = 0.6 Example A.7 AlternativeExpected Value AlternativeExpected Value Small facility0.4(200) + 0.6(270) = 242

49. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Risk AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand P small = 0.4 P large = 0.6 Example A.7 AlternativeExpected Value AlternativeExpected Value Small facility0.4(200) + 0.6(270) = 242 Large facility0.4(160) + 0.6(800) = 544

50. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Risk Highest Expected Value AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand P small = 0.4 P large = 0.6 Example A.7 AlternativeExpected Value AlternativeExpected Value Small facility0.4(200) + 0.6(270) = 242 Large facility0.4(160) + 0.6(800) = 544

51. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Under Risk Figure A.4

52. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Perfect Information AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand P small = 0.4 P large = 0.6 Example A.8

53. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Perfect Information AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand P small = 0.4 P large = 0.6 Example A.8 EventBest Payoff EventBest Payoff Low demand200 High demand800

54. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Perfect Information EventBest Payoff EventBest Payoff Low demand200EV perfect = 200(0.4) + 800(0.6) = 560 High demand800 AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand P small = 0.4 P large = 0.6 Example A.8

55. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Perfect Information AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand P small = 0.4 P large = 0.6 Example A.8 EventBest Payoff EventBest Payoff Low demand200EV perfect = 200(0.4) + 800(0.6) = 560 High demand800EV imperfect = 160(0.4) + 800(0.6) = 544

56. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Perfect Information AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand P small = 0.4 P large = 0.6 Example A.8 EventBest Payoff EventBest Payoff Low demand200EV perfect = 200(0.4) + 800(0.6) = 560 High demand800EV imperfect = 160(0.4) + 800(0.6) = 544 Value of perfect information = $560,000 - $544,000

57. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Perfect Information AlternativeLowHigh Small facility200270 Large facility160800 Do nothing00 Possible Future Demand P small = 0.4 P large = 0.6 Example A.8 EventBest Payoff EventBest Payoff Low demand200EV perfect = 200(0.4) + 800(0.6) = 560 High demand800EV imperfect = 160(0.4) + 800(0.6) = 544 Value of perfect information = $16,000

58. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees

59. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees = Event node = Decision node E i = Event i P(E i ) = Probability of event i 1stdecision Possible 2nd decision Payoff 1 Payoff 2 Payoff 3 Alternative 3 Alternative 4 Alternative 5 Payoff 1 Payoff 2 Payoff 3 E 1 [P(E 1 )] E 2 [P(E 2 )] E 3 [P(E 3 )] E 2 [P(E 2 )] E 3 [P(E 3 )] E 1 [P(E 1 )] Alternative 1 Alternative 2 Payoff 1 Payoff 2 12 Figure A.5

60. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees

61. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees Small facility Large facility 1 Example A.9

62. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees Small facility Large facility Low demand [0.4] Don’t expand Expand $200$223$270 High demand [0.6] 1 2 Example A.9

63. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees Low demand [0.4] Small facility Large facility Low demand [0.4] Don’t expand Expand Do nothing Advertise $200$223$270$40$800 Modest response [0.3] Sizable response [0.7] $20$220 High demand [0.6] 1 2 3 Example A.9

64. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees Low demand [0.4] Small facility Large facility Low demand [0.4] Don’t expand Expand Do nothing Advertise $200$223$270$40$800 Modest response [0.3] Sizable response [0.7] $20$220 High demand [0.6] 1 2 3 Example A.9

65. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees Low demand [0.4] Small facility Large facility Low demand [0.4] Don’t expand Expand Do nothing Advertise $200$223$270$40$800 Modest response [0.3] Sizable response [0.7] $20$220 High demand [0.6] 1 2 3 ) 0.3(20) + 0.7(220) Example A.9

66. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees $160 Low demand [0.4] Small facility Large facility Low demand [0.4] Don’t expand Expand Do nothing Advertise $200$223$270$40$800 Modest response [0.3] Sizable response [0.7] $20$220 High demand [0.6] 1 2 3 0.3(20) + 0.7(220) Example A.9

67. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees $160 Low demand [0.4] $160 Small facility Large facility Low demand [0.4] Don’t expand Expand Do nothing Advertise $200$223$270$40$800 Modest response [0.3] Sizable response [0.7] $20$220 High demand [0.6] 1 2 3 $270 Example A.9

68. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees ($160) Low demand [0.4] $270 $160 Small facility Large facility Low demand [0.4] Don’t expand Expand Do nothing Advertise $200$223$270$40$800 Modest response [0.3] Sizable response [0.7] $20$220 High demand [0.6] 1 2 3 Example A.9

69. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees ($160) Low demand [0.4] $270 $160 Small facility Large facility Low demand [0.4] Don’t expand Expand Do nothing Advertise $200$223$270$40$800 Modest response [0.3] Sizable response [0.7] $20$220 High demand [0.6] 1 2 3 0.4(200) + 0.6(270) 0.4(160) + 0.6(800) Example A.9

70. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees ($160) Low demand [0.4] $270 $160 Small facility Large facility $242 $544 Low demand [0.4] Don’t expand Expand Do nothing Advertise $200$223$270$40$800 Modest response [0.3] Sizable response [0.7] $20$220 High demand [0.6] 1 2 3 Example A.9 0.4(200) + 0.6(270) 0.4(160) + 0.6(800)

71. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees $160 Low demand [0.4] $270 $160 Small facility Large facility $544 $242 $544 Low demand [0.4] Don’t expand Expand Do nothing Advertise $200$223$270$40$800 Modest response [0.3] Sizable response [0.7] $20$220 High demand [0.6] 1 2 3 Example A.9

72. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Decision Trees $160 Low demand [0.4] $270 $160 Small facility Large facility $544 $242 $544 Low demand [0.4] Don’t expand Expand Do nothing Advertise $200$223$270$40$800 Modest response [0.3] Sizable response [0.7] $20$220 High demand [0.6] 1 2 3 Figure A.6

73. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Solved Problem 1 250 – 200 – 150 – 100 – 50 – 0 – Figure A.7 Total revenues Total costs Units (in thousands) Dollars (in thousands) ||||||||||||||||1234567812345678||||||||||||||||1234567812345678 Break-evenquantity 3.1 $77.7

74. To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Solved Problem 4 Figure A.8 Bad times [0.3] Normal times [0.5] Good times [0.2] One lift Two lifts Bad times [0.3] Normal times [0.5] Good times [0.2] $256.0 $225.3 $256.0 $191 $240 $240 $151 $245 $441