Question: Problem 9-24 (Algorithmic) Office Automation, Inc., developed a proposal for introducing a new computerized office system that will standardize the electronic archiving of invoices for
Problem 9-24 (Algorithmic)
Office Automation, Inc., developed a proposal for introducing a new computerized office system that will standardize the electronic archiving of invoices for a particular company. Contained in the proposal is a list of activities that must be accomplished to complete the new office system project. Use the following relevant information about the activities:
| Immediate | Time (weeks) | Cost ($1000s) | |||||||
| Activity | Description | Predecessor(s) | Normal | Crash | Normal | Crash | |||
| A | Plan needs | 9 | 8 | 30 | 50 | ||||
| B | Order equipment | A | 10 | 6 | 120 | 180 | |||
| C | Install equipment | B | 10 | 7 | 100 | 160 | |||
| D | Set up training lab | A | 7 | 6 | 40 | 50 | |||
| E | Conduct training course | D | 10 | 8 | 50 | 75 | |||
| F | Test system | C, E | 3 | 3 | 60 | ||||
- Which project network is correct?
(i) (ii) (iii) (iv) Network (i)Network (ii)Network (iii)Network (iv)
- Develop an activity schedule. If your answer is zero, enter 0.
Earliest Latest Earliest Latest Critical Activity Start Start Finish Finish Slack Activity A fill in the blank 2 fill in the blank 3 fill in the blank 4 fill in the blank 5 fill in the blank 6 YesNo
B fill in the blank 8 fill in the blank 9 fill in the blank 10 fill in the blank 11 fill in the blank 12 YesNo
C fill in the blank 14 fill in the blank 15 fill in the blank 16 fill in the blank 17 fill in the blank 18 YesNo
D fill in the blank 20 fill in the blank 21 fill in the blank 22 fill in the blank 23 fill in the blank 24 YesNo
E fill in the blank 26 fill in the blank 27 fill in the blank 28 fill in the blank 29 fill in the blank 30 YesNo
F fill in the blank 32 fill in the blank 33 fill in the blank 34 fill in the blank 35 fill in the blank 36 YesNo
- What are the critical activities, and what is the expected project completion time? Critical Path:
A-B-C-FA-B-D-E-FA-B-E-FA-D-C-FA-D-E-F
Expected project completion time = fill in the blank 39 weeks. - Assume that the company wants to complete the project in six months or 26 weeks. What crashing decisions do you recommend to meet the desired completion time at the least possible cost? Work through the network and attempt to make the crashing decisions by inspection.
Crash Activities Number of Weeks Cost ($1000s) A 1 fill in the blank 40 B 4 fill in the blank 41 C 1 fill in the blank 42 D 1 fill in the blank 43 E 1 fill in the blank 44 fill in the blank 45 - Develop an activity schedule for the crashed project. If your answer is zero, enter 0.
Earliest Latest Earliest Latest Critical Activity Start Start Finish Finish Slack Activity A fill in the blank 46 fill in the blank 47 fill in the blank 48 fill in the blank 49 fill in the blank 50 YesNo
B fill in the blank 52 fill in the blank 53 fill in the blank 54 fill in the blank 55 fill in the blank 56 YesNo
C fill in the blank 58 fill in the blank 59 fill in the blank 60 fill in the blank 61 fill in the blank 62 YesNo
D fill in the blank 64 fill in the blank 65 fill in the blank 66 fill in the blank 67 fill in the blank 68 YesNo
E fill in the blank 70 fill in the blank 71 fill in the blank 72 fill in the blank 73 fill in the blank 74 YesNo
F fill in the blank 76 fill in the blank 77 fill in the blank 78 fill in the blank 79 fill in the blank 80 YesNo
- What added project cost is required to meet the six-month completion time? Total added cost due to crashing $ fill in the blank 82.
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