Q$12\mathrm{.}2($Algo$)10$ Activities $[12\mathrm{.}2,12\mathrm{.}4,12\mathrm{.}5]$

Consider the dependency matrix and the activity durations provided below.

Downstream Activity Upstream Activity

$12345678910$

$1$

$2$ X

$3$ X

$4$ X

$5$ X

$6$ X

$7$ X

$8$ X

$9$ X X

$10$ X X

Activity $12345678910$

Time $141317141211316152$