Daniel Tracy, owner of Martin Manufacturing, must expand by building a new factory. The search for a location for this factory has been narrowed to four sites: A, B, C, or D. The following table shows the results thus far obtained by Tracy by using the factor-rating method to analyze the problem. The scale used for each factor scoring is 1 through 5.
|
FACTOR
|
WEIGHT
|
|
SITE SCORES
|
|
|
A
|
B
|
C
|
D
|
|
Quality of labor
|
10
|
5
|
4
|
4
|
5
|
|
Construction cost
|
8
|
2
|
3
|
4
|
1
|
|
Transportation costs
|
8
|
3
|
4
|
3
|
2
|
|
Proximity to markets
|
7
|
5
|
3
|
4
|
4
|
|
Taxes
|
6
|
2
|
3
|
3
|
4
|
|
Weather
|
6
|
2
|
5
|
5
|
4
|
|
Energy costs
|
5
|
5
|
4
|
3
|
3
|
a) Which site should Tracy choose?
b) If site D's score for Energy costs increases from a 3 to a 5, do results change?
c) If site A's Weather score is adjusted to a 4, what is the impact? What should Tracy do at this point?