$(8)$ The folcoling table for lists the actirities of a nctuonk, the along with their time estimate $($a$)$ most intely $(m)$

ressimistic $($b$)$

$5$:$1)$ Deaw the mojat network Use activity on mode $($A$-$O$-$N$)$ method $($Imark$)$

Idenufy the enxal path Calculate the length of various critical path $($imark$)$

$3)$ Identify the non cortical activities Wark out the Toted slack $($TS$)$ & fore stack $($FS$)$ for all entical activities