Jeanie’s total cost of crashing is $ The activities that Jeanie needs to crash are: Activity by hours Activity by hours Activity by hours Activity by hours
Chapter 8. As we saw in Problem Set 2, on a Thursday, Jeanie decided that she would like to have a dinner party for a few of her colleagues and was wondering if Saturday was a feasible day to have the party or not. She wanted to get an idea of how many hours of work she would need to do to make a fancy dinner ready by 6 PM on Saturday. She decided to create a project network based on the activities she thought were essential for doing this. We had helped her to identify the critical path by creating a project network and activity
Activity |
Description |
|
Time |
Normal |
Crashing |
Crash |
Immediate |
(hours) |
Cost |
Time |
Cost |
||
Predecessor |
Ti |
Ci |
Ti' |
Ci' |
||
A |
Choosing dishes/recipes |
-- |
2 |
100 |
0.5 |
150 |
B |
Inviting and confirming # of people |
-- |
2 |
100 |
0.5 |
150 |
C |
Making ingredient list |
A |
1 |
45 |
0 |
100 |
D |
Making shopping list |
B, C |
1 |
45 |
0 |
100 |
E |
Going for shopping |
D |
2 |
100 |
0 |
300 |
F |
Making the meal |
E |
5 |
250 |
0 |
750 |
G |
Setting the Table |
F |
0.5 |
10 |
0.25 |
50 |
Notice that the original PERT/CPM model you created will work for this problem since the order of the activities has not changed. Create a Crashing Model and don’t forget to show the updated PERT/CPM model along with the crashing model in your spreadsheet. Answer the following questions:
- Jeanie’s total cost of crashing is $
- The activities that Jeanie needs to crash are:
- Activity by hours
- Activity by hours
- Activity by hours
- Activity by hours
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