Which work breakdown structure $($WBS$)$ component is a placeholder for future work that doesn't contain detailed scheduled activities?

A$.$ Work package

B$.$ Planning package

C$.$ Line$-$item risk

D$.$ Contingency reserve

$2.$ Which of the following is an example of a variable project cost?

A$.$ Equipment

B$.$ Facilities

C$.$ People

D$.$ Reserves

$3.$ The $\_\_\_\_\_\_\_\_$ is where the organizational breakdown structure $($OBS$)$ and the work breakdown structure $($WBS$)$ intersect and establishes ownership and budget for each work effort.

A$.$ Work package

B$.$ Cost baseline

C$.$ Activity

D$.$ Control account

$4.$ You are including activities for conducting testing and inspections throughout the project. These are considered to be $\_\_\_\_\_\_\_\_\_.$

A$.$ prevention costs

B$.$ line item risk activities

C$.$ costs of quality

D$.$ indirect project costs

$5.$ What is the time$-$phased budget excluding the management reserves?

A$.$ Cash flow

B$.$ Budget at completion $($BAC$)$

C$.$ Control account

D$.$ cost baseline