QUESTION 4
[32 Marks]
You have signed a contract with ABC Digitals. You will receive a N$5,000 bonus for
completing the project within 45 days. The contract also contains a penalty clause in which
you will lose N$1,000 for each day the project takes longer than 45 days. Using the network
information below:
4.1 Draw a project network given the information below (8 Marks)
4.2 Compute the activity Early Start, Early Finish, Late Start, Late Finish and slack times.
Present your answers in a project schedule. (16 Marks)
4.3 Compute the activity slack, and identify the critical path . (4 Marks)
4.4 Do you expect to receive a bonus or a penalty on this project? (1 Mark)
4.5 During execution, on day 2, the software developer assigned to activity E is booked
off sick for 10 days. You were able to find and bring in a suitable substitute software
developer who started work on day 5. Do you expect to pay a penalty, if so, how
much, if not, why not? (3 Marks)
Activity
ID
A
B
C
D
E
F
G
H
Description
Order review
Order standard parts
Produce standard pars
Design custom parts
Software development
Manufacture custom hardware
Assemble
Test
Predecessor
None
A
A
A
A
C,D
B, F
E, G
Duration
2
3
10
13
18
15
10
5
QUESTION 5
[18 MARKS]
A Namibian Agri-tech start-up needs to select between two appealing projects to invest in:
The first project is a hydroponic greenhouse system to grow organic vegetables for urban
supermarkets. The project's initial investment would be N$723,000 at a discounting rate of
3