$\backslash$table$[[$Task$,$Estimated Duration,Immediate$],[$Predecessors$,,],[$B$,10$ days,None$],[$C$,7$ days,A$],[$D$,4$ days,A$]]$

Slack $=LF-EF$

Slack $=LS-ES$

$ES=$max$\{E{F}_{\text{p}\text{r}\text{e}\text{c}\text{e}\text{d}\text{i}\text{n}\text{g}}\}$

$EF=ES+$ Activity

$LF=$min$\{L{S}_{\text{s}\text{u}\text{c}\text{c}\text{e}\text{e}\text{d}\text{i}\text{n}\text{g}}\}$

$LS=LF-$ Activity

Colson Corp. has planned a simple project having four tasks. The task information for the project is shown above. Does any task h slack? If so$,$ how much?

None of the tasks have slack

Task B has $3$ days of slack