Construct an activity network for a production schedule with the following information :

Identify the critical path. Calculate the total completion time and determine the total float for each activity.

$2$ of $3$

Activity $($i

Time in Hours

Activity $(1-$

Time in Hours

$1-2$

$4$

$5-6$

$4$

$1-3$

$1$

$5-8$

$8$

$2-4$

$1$

$6-8$

$3-4$

$1..$

$7-8$

$3-5$

$6$

$8-10$

$5$

$4-9$

$9-10$

$7$