Operations Management: Sustainability and Supply Chain Management, Twelfth Edition

Appendix V Solutions to Even-Numbered Problems

Chapter 1

1. 1.2

   1. 2 valves/hr.

   2. 2.25 valves/hr.

   3. 12.5%

2. 1.4

   1. 20 pkg/hour

   2. 26.6 pkg/hour

   3. 33.0%

3. 1.6 .078 fewer resources (7.8% improvement)

4. 1.8

   1. 2.5 tires/hour

   2. 0.025 tires/dollar

   3. 2.56% increase

5. 1.10 .000375 autos per dollar of inputs

6. 1.12 4 workers

7. 1.14 1.6%

8. 1.16 $57.00 per labor hour

Chapter 2

1. 2.2 Venezuela, China, United States, Switzerland, Denmark

2. 2.4 Differentiation is evident when comparing most restaurants or restaurant chains.

3. 2.6(a)

   1. Focus more on standardization, make fewer product changes, find optimum capacity, and stabilize manufacturing process are a few possibilities

   2. New human resource skills, added capital investment for new equipment/processes

   3. Same as (b)

4. 2.8

   1. Canada, 1.7

   2. No change ...