Expected task time:

ES $=$ Earliest Start $=$ Max $($EF of all immediate predecessors$)$

EF $=$ Earliest Finish $=$ ES $+$ Activity time

LF$=$ Latest Finish $=$ Min $($LS of all immediate successors$)$

LS $=$ Latest Start $=$ LF $$ Activity time

Slack $=$ LS $$ ES or Slack $=$ LF $$ EF

Using Table $4,$ type in the correct whole number for each task$$s

expected task time $($te$)$

earliest start time $($ES$)$

earliest finish time $($EF$)$

latest start time $($LS$)$

latest finish time $($LF$),$ and

Type Yes or No in the space provided to indicate whether the task is a critical task.

NOTE: If you are unable to select any of the cells toward the right$-$hand side of the PERT Table, please click on a cell within the same row on the left$-$hand side of the table and use the 'Tab' key to tab over to the cell you would like to ed