$($a$)$ Draw the precedence network.

$($b$)$ Calculate the EST, EFT, LST and LFT of each activity using the forward pass and backward

pass methods.

$($c$)$ Highlight$/$identify the critical path in the precedence network and find the duration of entire

project.

$($d$)$ Calculate the total float and safety float for each project activity.

$($e$)$ If the activity $F$ delays by $3$ days, what will happen to the duration of entire project? What

about a delay of the activity $F$ by $5$ days?