b$.$ It is easy to calculate and understand.

c$.$ It considers only the cash inflows of the project.

d$.$ None of the above.

$9.$ Which of the following is true about a project precedence network diagram?

a$.$ It shows only the start and end date of a project

b$.$ It shows the dependencies between project activities

c$.$ It shows the resource allocation for each project activity

d$.$ It shows the cost of each project activity

$10.$ What is a milestone in a project precedence network diagram?

a$.$ a$.$ A project activity that must be completed before another can start

b$.$ b$.$ A point in time when a specific deliverable is due

c$.$ c$.$ A resource assigned to a project activity

d$.$ d$.$ A cost associated with a project activity

$11.$ Which of the following is true about precedence network diagrams?

a$.$ They show the start and finish dates of project activities

b$.$ They include only critical activities of a project

c$.$ They help identify the critical path of a project

d$.$ They do not provide any information on project resources

$12.$ Which of the following is a disadvantage of using a precedence network diagram?

a$.$ It is difficult to understand for nontechnical stakeholders

b$.$ It cannot be used to track project progress

c$.$ It does not show the dependencies between activities

d$.$ None of the above

$13.$ A company is considering investing in a new production line that costs $$100,000.$ The production line is expected to generate cash flows of $$25,000$ per year for the next seven years. What is the payback period for this investment?

a$.3$ years

b$.4$ years

c$.5$ years

d$.7$ years

$14.$ Which stage in the project life cycle is typically the longest and most resourceintensive?

a$.$ Initiation

b$.$ Planning

c$.$ Execution & monitoring

d$.$ Closing

$15.$ Which of the following is a potential limitation of the weighted decision model?

a$.$ It is subjective and may be biased by individual preferences.

b$.$ It is time$-$consuming and may be difficult to implement.

$3$