Can you show me how to calculate Early start, Early finish, and Late finish.

Consider the following information for a project to add a drive$-$thru window at Crestview Bank.

a$.$ Choose the correct network diagram below.

OR

c$.$

b$.$ Specify the critical path.

The critical path is B$-$E$-$G$-$H and the project duration is $28$ weeks.

$c.$ calculate the slack for activites A and $D.$ Activity Time $(weeks)$ for $Ais3$ and for $Dis2on$ critical path? yes $orno$ Slack $(weeks)$