The following is a table of activities associated with a project at Rafay$$ Ishfaq's software firm in$$ Chicago, their durations and what activities each must$$ precede:

Activity

Duration$($weeks$)$

Precedes

A$($start$)$

$$B$,$ C

B

C

E

F

F$($end$)$

This exercise contains only parts$$ b$,$ c$,$ and d$.$

Part $2$

$$b$)$ The activities on the critical path are

A $-$ C $-$ F

$.$

Part $3$

$$c$)$ The total project completion time for Rafay$$ Ishfaq's software firm is

$$

$11$ weeks. $($Enter your response as a whole number.$)$

Part $4$

$$d$)$ Determine the slack time for each of the activities. $($Enter your responses as whole numbers.$)$