Given the CPM$/$PERT project network segment the latest finish $($LF$)$ times for activity $3$ is

Group of answer choices

$5$

$7$

$8$

$2$

Given the CPM$/$PERT project network segment above, the latest start $($LS$)$ activity $3$ is

Group of answer choices

$2$

$5$

$8$

$7$