Questions $1-6$

Use the following problem statement to answer questions $1-6.$

The project network below shows activity times $($in weeks$)$ and their precedence relationships. $[$Note$]$ ES $=$ Maximum $($EF$).EF=ES+t.LF=M$ Minimum $(LS).LS=LF-t.$Slack$=LS-$ES$.$ Slack $=LF-EF.$

Multiple Choice $4$ points

What is the slack time for activity C$?$ Round to the nearest whole number.

$0$

$4$

$2$

$2$ Multiple Choice $4$ points

What is the LF time for activity D $?$ Round to the nearest whole number.

$13$

$14$

$3$ Multiple Choice $4$ points

What is the EF time for activity C$?$ Round to the nearest whole number.

$3$

$10$

Multiple Choice $4$ points

What is the estimated completion time of the project? Round to the nearest whole number.

$15$

$19$

$5$ Multiple Choice $4$ points

What is the LS time for activity E$?$ Round to the nearest whole number.

$11$

$14$

$6$

Multiple Choice $4$ points

What is the ES time for activity C$?$ Round to the nearest whole number.

$6$

$7$