Bowman Builders manufactures steel storage sheds for commercial use. Joe Bowman, president of Bow-man Builders, is contemplating producing sheds for home use. The activities necessary to build an ex-perimental model and related data are given in the table on the next page. The project completion time using standard times is 14 weeks.
Set up and solve an LP model using Excel to crash this project to 10 weeks. How much does it cost to reduce the duration of this project from 14 to 10 weeks?
|
ACTIVITY
|
IMMEDIATE
PREDECESSORS
|
STANDARD
TIME (woos)
|
STANDARD
COST
|
CRASH TIME
(wears)
|
CRASH
COST
|
|
A
|
-
|
3
|
S1.000
|
2
|
$1,600
|
|
B
|
-
|
2
|
52,000
|
I
|
52.700
|
|
C
|
-
|
I
|
5300
|
I
|
$300
|
|
13
|
A
|
7
|
$1300
|
3
|
51.600
|
|
E
|
B
|
6
|
$850
|
3
|
51,000
|
|
F
|
C
|
2
|
S4,000
|
I
|
55.000
|
|
G
|
D. E
|
4
|
51,500
|
2
|
52.000
|