1. This test consist of seven questions. Students should answer all the seven questions.
2. Students must show the work. Failure to show the work will result in zero points. As indicated in syllabus, students can handwrite and scan it and post the exam to canvas. But, please make sure that your handwriting is readable.
3. Plagiarism will not be tolerated. Any instances of plagiarism will result in zero score for the exam.
Question 1: This question is from chapter 8. This question is worth 10 points. (Please show step by step work to receive full credits)
A full-service restaurant is considering opening a new facility in a specific city. The table below shows its ratings of four factors at each of two potential sites. The score of 100 is best and the score of 0 is the worst for each factor. In order to open a new facility, the restaurant management requires a minimum composite score of 65. Conduct factor rating analysis and determine the best site.
|
Factor
|
Weight
|
Gary Mall
|
Belt Line
|
|
Affluence of local population
|
.50
|
60
|
45
|
|
Traffic flow
|
.10
|
80
|
70
|
|
Parking availability
|
.30
|
30
|
40
|
|
Growth potential
|
.10
|
50
|
90
|
Question 2:This question is from chapter 8. This question is worth 15 points. (Please show step by step work to receive full credits)
East Texas Seasonings is preparing to build one processing center to serve its four sources of seasonings. The four source locations are at coordinates shown below. Also, the volume from each source is provided. What is the center of gravity?
|
|
X-coordinate
|
Y-coordinate
|
Volume
|
|
Athens, Texas
|
10
|
10
|
250
|
|
Beaumont, Texas
|
30
|
10
|
450
|
|
Carthage, Texas
|
80
|
90
|
200
|
|
Denton, Texas
|
40
|
70
|
300
|
Question 3:This question is from chapter 10. This question is worth 20 points. (Please show step by step work to receive full credits)
Cartons of Plaster of Paris are supposed to weigh exactly 32 oz. Inspectors want to develop process control charts. They take five samples of six boxes each and weigh them. Based on the following data, compute the lower and upper control limits and determine whether the process is in control (Draw the mean and range charts).
|
Sample
|
Mean
|
Range
|
|
1
|
32.8
|
1.1
|
|
2
|
33.6
|
0.4
|
|
3
|
31.7
|
0.5
|
|
4
|
34.8
|
0.8
|
|
5
|
34.1
|
0.2
|
Question 4:This question is from chapter 12. This question is worth 15 points. (Please show step by step work to receive full credits)
a. The quantity of component B and D required to assemble 40 units of A, assuming no on-hand inventory of any component exists.
b. The quantity of component B and D required to assemble 90 units of A, given on-hand inventory of 20 As, 10 Bs, and 5 Ds.
Question 5:This question is from chapter 13. This question is worth 20 points. (Please show step by step work to receive full credits)
A product has a demand of 4000 units per year. Ordering cost is $20, and holding cost is $4 per unit per year.
a. Determine the economic order quantity?
b. What is the average inventory?
c. How many orders per year will be there?
d. Compute the total cost of ordering and carrying inventory?
Question 6:This question is from chapter 12. This question is worth 10 points. (Please show step by step work to receive full credits)
Consider the following product structure. 38 units of Product A are needed. How many units of B, C, D, E, F, and G are needed?
Question 7:This question is from chapter 13. This question is worth 10 points. (Please show step by step work to receive full credits)
The soft goods department of a large department store sells 175 units per month of a certain large bath towel.
The unit cost of a towel to the store is $2.50 and the cost of placing an order has been estimated to be $12.00. The store uses an inventory carrying charge of 0.50 $ per year. Determine (a) the optimal order quantity, (b) the order frequency, and (c) the annual holding and setup cost.