devry gscm 530 entire course

Devry GSCM 530 Entire Course

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All Discussions All Assignments And All Quizes

week 1

Demand Management and Forecasting From a Systems Perspective (graded)

Explain the operations planning and demand management activities across the supply

chain.

Compare Various Options and Approaches to Forecasting (graded)

Differentiate among demand planning, demand forecasting, and demand management

activities.

week 2

Sales and Operations Planning (graded)

Explain the sales and operations planning process and describe why it needs to be a

dynamic process.

Aggregate Planning for Production and Services (graded)

Define the contents of aggregate plans and explain the differences between aggregate

planning for manufacturing versus service companies.

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week 3

Master Production Scheduling (MPS) (graded)

Explain the master production scheduling process and describe information and data

inputs and outputs.

Bills of Material (BOM) and Material Requirements Planning (MRP) (graded)

Define different bills of material (BOMs) structures and explain the MRP process and when

it should be used.

week 4

Master Production Scheduling (MPS) (graded)

Explain the master production scheduling process and describe information and data

inputs and outputs.

Bills of Material (BOM) and Material Requirements Planning (MRP) (graded)

Define different bills of material (BOMs) structures and explain the MRP process and when

it should be used.

week 5

Project Management (graded)

What are the different types of projects and organization structures used in supply chain

environments?

Project Scheduling (graded)

Calculate the critical path in a project and the duration of the project.

week 6


Process Mapping and Analysis (graded)

Explain the relationships between processes and value.

Customer Service Management (graded)

Describe how operations and supply chain management balance supply and demand to

exceed customer expectations.

week 7

Inventory Strategies and Policies (graded)

Explain the advantages and disadvantages of the different inventory strategies and policies.

Inventory Financial Impacts and Service Levels (graded)

Explain and calculate asset productivity and customer service as they relate to the

measures of inventory performance.

ALL ASSIGNMENTSGSCM 530 Week 1 Homework assignment

AssignmentAssignment: page 431, Problems 2, 8, and 12

2. Given the series of demand data below


a. Calculate the forecasts for periods 7 through 11 using moving average models with n =

2, n = 4, and n = 6.

b. Calculate the bias and MAD for each set of forecasts. Which moving average model is the

best?

8. The owner of an online video rental service has recorded the following rentals each

week:

a. Use a three-week moving average to forecast sales for each of the weeks 4 through 9.

b. Use a four-week moving average to forecast sales for each of the weeks 5 through 9.

c. Compare the forecasts created by these two methods using mean absolute deviation.

Which forecasting method would you recommend?

12. Monthly usage data for pallets used in a distribution center are as follows:

a. Calculate the monthly usage index for each month.

b. Use simple linear regression to forecast total usage of pallets for year 5.

c. Forecast the seasonally adjusted usage for pallets for each month in year 5.

Links to sample guide for homework assignment below:

12-02 http://www.viddler.com/embed/67f127aa/?

f=1&autoplay=0&player=full&disablebranding=0


http://www.viddler.com/embed/67f127aa/?f=1&autoplay=0&player=full&disablebranding=0


12-12 http://www.viddler.com/embed/4061df8c/?


12-17 http://www.viddler.com/embed/2f463df5/?


2. Given the series of demand data below

a. Calculate the forecasts for periods 7 through 11 using moving average models with n =

2, n = 4, and n = 6.

b. Calculate the bias and MAD for each set of forecasts. Which moving average model is the

best?

8. The owner of an online video rental service has recorded the following rentals each

week:

a. Use a three-week moving average to forecast sales for each of the weeks 4 through 9.

b. Use a four-week moving average to forecast sales for each of the weeks 5 through 9.

c. Compare the forecasts created by these two methods using mean absolute deviation.

Which forecasting method would you recommend?

12. Monthly usage data for pallets used in a distribution center are as follows:

a. Calculate the monthly usage index for each month.


http://www.viddler.com/embed/2f463df5/?f=1&autoplay=0&player=full&disablebranding=0


http://www.viddler.com/embed/4061df8c/?f=1&autoplay=0&player=full&disablebranding=0


b. Use simple linear regression to forecast total usage of pallets for year 5.

c. Forecast the seasonally adjusted usage for pallets for each month in year 5.

Links to sample guide for homework assignment below:

12-02 http://www.viddler.com/embed/67f127aa/?


12-12 http://www.viddler.com/embed/4061df8c/?


12-17 http://www.viddler.com/embed/2f463df5/?


week 24. The current aggregate demand requirements for a firm are shown below for the next six

months:

The firm always plans to meet all demand. The firm currently has 120 workers capable of

producing 120 units in a month (1 unit/worker). The workforce can be increased (at a cost

of $500 per worker) or decreased (at a cost of $1,000 per worker). Inventory holding cost

is $100 per unit per month. The firm currently has 40 units of inventory on hand, and it

would like to have 40 units available at the end of each month. Regular production cost is

$3,000 per unit.

a. What should the aggregate plan be if the inventory holding cost is to be minimized?

b. What is the cost of this plan?

6. JokersRWild makes playing cards in several different styles, but a “standard” deck of

cards is used for planning purposes. The average worker at JokersRWild can make 10,000

sets of decks of cards per month at a cost of $1.00 per deck during regular production and

$1.30 during overtime. The company currently employs 25 workers. Experience shows that

it costs $500 to hire a worker and $500 to fire a worker. Inventory carrying cost is $.25 per

deck per month. Given the following demand estimate, develop a six-month production

plan based on level production, chase using overtime (no workers will be fired and








inventory increases if necessary), and chase by changing workforce level. The beginning

inventory is 50,000, and at least that amount is desired each month.

The citation provided is a guideline. Please check each citation for accuracy before use.

8. Appliances Inc. is preparing an aggregate production plan for washers for the next four

months. The company’s expected monthly demand is given below in the chart. The

company will have 500 washers in inventory at the beginning of the month and desires to

maintain at least that number at the end of each month. Below is other critical data:

Production cost per unit = $300

Inventory carrying cost per month per unit = $50 (based on ending month inventory)

Hiring cost per worker = $1,000

Firing cost per worker = $2,000

Beginning number of workers = 10

Each worker can produce 100 units per month

Complete the tables and determine the cost of the two plans

week 3

4. Based on the BOM shown below, how many units of part F will be needed if 15 units of

end item A are needed? If the company decided to purchase part D from suppliers, how

would the BOM change? Assuming part D is purchased, how many units of part F are

needed to make 15 units of end item A?


8. Using the information in problem 7, develop an indented BOM

7. Based on the BOM shown below, how many of part D will be needed if 100 units of end

item A are needed? How many of part F

12.Complete the MRP record for a bicycle seat

13.Given the BOM and the MPS for end item A, complete the MRP schedule for items A, C, D,

and E.

Week 4

Assignments

Assignment: page 83, Problems 8 and 9

Assignment: page 491, Problems 18 and 19


Problem 8

New Time Videos (NTV) is a new online video rental service. In the field, it is trying to

compete by offering its customers access to all of the major new video releases in one

business day. That is, if you order a video from NTV, you can expect it in one business day

from the time when you placed the order. When you are done with the video, you simply

drop it in the prepaid mailing envelope and return it. All videos arrive in a sorting facility

located in the Midwest where envelopes with the videos are opened, checked (right video

with the right sleeve, no scratches, no cracks, no dirt on the videos), and made ready to be

sent out again. As the manager of this facility, your goal is to turn the returned videos

around in 6 hours (a shift is 8 hours long). You have the following information:

Top of Form

a. Calculate the expected average flow time (hint: Use Little’s Law).

b. What changes would you recommend to meet the goal of processing a returned video

within 6 hours?

9.

PizzaTime Restaurants is building a new pizza place and needs to determine how big to

make the various parts of its facility. It wants to be able to accommodate a maximum of 500

customers per hour at its peak times. PizzaTime has collected the following information:

the average time to place and receive an order is 1.1 minutes, 20 percent of the customers

have cars and require parking spots, and the average length of time at the restaurant is 20

minutes per customer. Assuming a capacity cushion of 20 percent, find:

a. The number of cash registers required. (assume an average of 4 customers per group)

b. The number of parking spaces needed.

c. The number of seats/tables needed. (assume 4 seats per table)

d. Which of these operations are likely to be bottlenecks?

18.


Calculate the processing load and develop the load profile for the computer assembly

process. As the planner, what concerns do you have (if any)? What changes might you

consider?

19.

Calculate the processing load and available capacity, and develop the load profile for the

stereo speaker subassembly. Two employees work the assembly process for 40 hours e

week 5

4. Answer the following questions for the following network. Times shown are in days.

a. What is the length of the critical path?

b. What are the earliest start and latest start for E?

c. What is the latest start for B?

d. If all other tasks are completed in their expected durations, will the project length be

affected if task B actually takes five days instead of the expected three?

6. Consider the following information about a small project:


a. Draw a network diagram.

b. Identify the critical path, earliest start and finish, and slack for each task.

c. Which of these activities should the project manager track most closely?

d. What would happen if a new estimate for task D increases its expected duration from

two days to six days? Would the project take longer? Would anything else change?

4. Annie is planning a large surprise party for her sister Gwendolyn. She has developed the

plan below, including estimates of the time (in hours) and cost necessary to perform each

of the activities required at the currently planned pace and at the crashed pace.

a. Annie is most interested in reducing the time associated with creating the guest list.

What is the crash cost per hour for that activity?

b. Annie will save $40 for every hour she can reduce from her plan. Annie has decided to

crash her project and use the money she saves to purchase a larger gift for Gwendolyn.

Which activity should she crash first?

c. Annie has now crashed activity A by four hours at a cost of $110. What other activity

could she crash to further reduce the project?

d. Annie has now crashed activity A by four hours at a cost of $110 and activity E by two

hours at a cost of $75. What other activity could she crash to further reduce the project?

e. How much money did Annie save by crashing the project?

f. What is the duration of the fully crashed project?

Week 6

GSCM 530 Week 6 homework


2. Your eyeglass frame-making firm is considering one of two distribution alternatives. The

first is to make all shipments from your Chicago plant to one of three regional warehouses

located in Philadelphia, Chicago, and Reno. All orders from eyeglass retailers would be

shipped from these sites. The second alternative would be to create one warehouse in

Memphis, Tennessee, and ship all orders via Federal Express.

a. Prepare a process flow diagram of each alternative.

b. What additional information would you need to ascertain which alternative will provide

the best value to your customers?

c. Is this different from a lower cost solution? Why?

2. The following quarter, Aldo’s senior executive was interested in knowing whether

performance had improved. The following table presents order and shipping data collected

for the next quarter. How would you answer the senior executive?

3. Suppose a firm, in discussions with customers, learns that customers identify eight

factors that they evaluate for every order they receive from suppliers. The firm then finds

that its performance is 95 percent on six of these factors and 92 percent on the other two

factors. What is the firm’s probable perfect order performance?

4. In problem 3, suppose performance on two of the factors that had been 95 percent falls

to 90 percent. What is the impact on perfect order performance?

week 7

2. The following table contains data about the inventory for five items at Jones Corporation.

Complete the missing items in the table.

3. Suppose Jones Corporation in the above problem determined that its annual inventory

carrying cost = 18 percent. The item unit cost was as follows:

Item 1 = $25.00


Item 2 = $60.00

Item 3 = $5.00

Item 4 = $10.00

Item 5 = $1.00

Compute the dollar values for the information in the above table, determine the annual

inventory carrying cost for each item, and the total annual inventory carrying cost.

4. Again, using the data for Jones Company in problems 2 and 3, suppose Jones believes that

in the upcoming year, the rate of sales expected for each of the five items is as follows:

Item 1 = 4,000 units per day





Compute the days of supply for each item.

QUIZESQUIZES WEEK 1 – 7


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