A catering company prepared and served 350 meals at an anniversary celebration last week using eleven workers. The week before, five workers prepared and served 240 meals at a wedding reception. a1. Calculate the labor productivity for each event. (Round your answers to 1 decimal place.) Anniversary meals/worker Wedding meals/worker a2. For which event was the labor productivity higher? Anniversary Wedding value: 4.00 points The manager of a crew that installs carpeting has tracked the crew’s output over the past several weeks, obtaining these figures: Week Crew Size Yards Installed 1 4 96 2 3 65 3 4 97 4 2 52 5 3 60 6 2 54 ________________________________________ a. Compute the labor productivity for each of the weeks. (Round your answers to 2 decimal places.) Week Crew size Labour productivity (Yards/Person) 1 4 2 3 3 4 4 2 5 3 6 2 ________________________________________ b. Which crew size works best? A crew of seems to work best. value: 4.00 points Compute the multifactor productivity measure for each of the weeks shown for production of chocolate bars. Assume 40-hour weeks and an hourly wage of $12. Overhead is 1.5 times weekly labor cost. Material cost is $7 per pound. (Round your answers to 2 decimal places.) Week Output (units) Workers Material (lbs) 1 29,000 5 480 2 34,000 7 480 3 31,000 8 510 4 36,000 8 510 ________________________________________ Week MFP 1 2 3 4 ________________________________________ value: 4.00 points A company that makes shopping carts for supermarkets and other stores recently purchased some new equipment that reduces the labor content of the jobs needed to produce the shopping carts. Prior to buying the new equipment, the company used 6 workers, who produced an average of 70 carts per hour. Workers receive $17 per hour, and machine cost was $50 per hour. With the new equipment, it was possible to transfer one of the workers to another department, and equipment cost increased by $12 per hour while output increased by 5 carts per hour. a. Compute labor productivity under each system. Use carts per worker per hour as the measure of labor productivity. (Round your answers to 2 decimal places.) Before carts per worker per hour After carts per worker per hour b. Compute the multifactor productivity under each system. Use carts per dollar cost (labor plus equipment) as the measure. (Round your answers to 2 decimal places.) Before carts/$1 After carts/$1 c. Comment on the changes in productivity according to the two measures. (Round your intermediate calculations and final answers to 2 decimal places. Omit the “%” signs in your response.) Labor productivity by % Multifactor productivity by %value: 4.00 points An operation has a 30 percent scrap rate. As a result, 62 pieces per hour are produced. What is the potential increase in labor productivity that could be achieved by eliminating the scrap? (Round your intermediate calculations to 3 decimal places and final answer to 1 decimal place. Omit the “%” sign in your response.) This would amount to an increase of % value: 5.00 points A manager checked production records and found that a worker produced 172 units while working 40 hours. In the previous week, the same worker produced 120 units while working 30 hours. a. Compute Current period productivity and Previous period productivity. (Round your answers to 2 decimal places.) Current period productivity Units / hr Previous period productivity Units / hr ________________________________________ b. Did the worker’s productivity increase, decrease, or remain the same? (Round your intermediate calculations and final answer to 2 decimal places. Omit the “%” sign in your response.) Worker’s productivity by % rev: 03_15_2012 value: 5.00 points The following table shows data on the average number of customers processed by several bank service units each day. The hourly wage rate is $30, the overhead rate is 1.0 times labor cost, and material cost is $8 per customer. Unit Employees Customers Processed / Day A 3 38 B 6 42 C 8 54 D 3 26 ________________________________________ a. Compute the labor productivity and the multifactor productivity for each unit. Use an eight-hour day for multifactor productivity. (Round your “Labor Productivity” answers to 1 decimal place and “Multifactor Productivity” answers to 3 decimal places.) Unit Labor Productivity Multifactor Productivity A B C D ________________________________________ b. Suppose a new, more standardized procedure is to be introduced that will enable each employee to process one additional customer per day. Compute the expected labor and multifactor productivity rates for each unit. (Round your “Labor Productivity” answers to 1 decimal place and “Multifactor Productivity” answers to 4 decimal places.) Unit Labor Productivity Multifactor Productivity A B C D ________________________________________ rev: 03_15_201 value: 5.00 points A property title search firm is contemplating using online software to increase its search productivity. Currently an average of 65 minutes is needed to do a title search. The researcher cost is $1.7 per minute. Clients are charged a fee of $490. Company A’s software would reduce the average search time by 12 minutes, at a cost of $3.5 per search. Company B’s software would reduce the average search time by 16 minutes at a cost of $5.3 per search. a. Calculate the productivity in terms of revenue per dollar of input. (Round your intermediate calculations and final answers to 2 decimal places. Omit the “$” sign in your response.) Approach Productivity per Dollar Input Current $ Company A $ Company B $ ________________________________________ b. Which option would have the highest productivity in terms of revenue per dollar of input? Company A Company B Both value: 5.00 points A company offers ID theft protection using leads obtained from client banks. Three employees work 40 hours a week on the leads, at a pay rate of $40 per hour per employee. Each employee identifies an average of 2,700 potential leads a week from a list of 5,000. An average of 5 percent of potential leads actually sign up for the service, paying a one-time fee of $75. Material costs are $1,100 per week, and overhead costs are $11,000 per week. Calculate the multifactor productivity for this operation in fees generated per dollar of input. (Round your answer to 2 decimal places.) Multifactor productivity rev: 03_15_2012, 08_30_2013_QC_34 Aims This module aims to broaden and expand students’ knowledge and understanding of the concepts, tools and techniques of operations management. Students will develop analytical insights into current operations management practices, explore the priorities and techniques of operations management and employ these to the design, operation and control of business processes. Learning Outcomes Knowledge On completion of this module, the successful student will be able to: 1. assess key factors influencing effective management of operations; 2. evaluate the fundamental concepts, tools and techniques of operations management; 3. appraise the contributions effective operations management can provide companies; Skills This module will call for the successful student to: 4. apply operations management tools and techniques to business problems; 5. approach and manage data and information, problem solving and decision making effectively; 6. analyse data and information using relevant operations management tools and concepts Syllabus The module covers the following topics: – Operations strategy – Job design – Forecasting – Supply chain management – Product design – Inventory management – Quality management – Scheduling – Process design and capacity planning – Material requirements planning – Location decisions – Just-in-time and lean operations – Layout decisions – Project management Essential Core Textbook Stevenson, W. J. (2012), Operations management: Theory and Practice, 11th edition, Global edition, London: McGraw-Hill We strongly recommend that you purchase the core textbook as you will need it during the year. Recommended Texts Heizer, J H, and Render, B, (2013), Operations management, 11th Edition, London, Pearson. Reid, R D, Sanders, NR, (2013), Operations management: an integrated approach, 5th Edition, Hoboken, NJ: Wiley Slack, N, Chambers, S, and Johnston, R, (2010), Operations management, 6th Edition, Harlow, Financial Times Prentice Hall Krajewski, L J, Ritzman, L P, and Malhotra, M K, (2013), Operations Management: Processes and Supply Chains, 10th Edition, Pearson Education. Journals and Periodicals You should regularly consult academic journals, for recent developments in operations management and strategy. The following are highly recommended: International Journal of Operations and Production Management International Journal of Production Research International Journal of Production Economics

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