Task Description Dur$*$ Pred

$1$ Obtain HW $30-$

$2$ Coding $60-$

$3$ Write test plans $100-$

$4$ Write training manuals $100-$

$5$ Install and test HW $351$

$6$ Integration testing $302,5$

$7$ System testing $703,6$

$8$ Install SW $($user site$)107$

$9$ User training $104,8$

$10$ Acceptance testing $109$

$*$Duration $($Dur$)$ is in days

Implementation phase of IT project has ten tasks, as shown above.

Complete the table below:

$1)$ TE is the earliest completion time.

Forward pass: TE$($activity$)=$ latest TE$($predecessor$)+$ Duration$($activity$)$

$2)$ TL is the latest completion time.

Backwards pass: TL$($predecessor$)=$ TL$($activity$)$ Duration$($activity$)$

$3)$ Slack $=$ TL $$ TE

$4)$ Critical Path goes from start to finish with activities of zero slack

Task Description Dur Pred TE TL Slack

$1$ Obtain HW $30-30$

$2$ Coding $60-60$

$3$ Write test plans $100-$

$4$ Write training manuals $100-$

$5$ Install and test HW $351$

$6$ Integration testing $302,5$

$7$ System testing $703,6$

$8$ Install SW $($user site$)107$

$9$ User training $104,8$

$10$ Acceptance testing $109$

What is the Critical Path? $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$