Early start time $=7$ days

Early finish time $=13$ days

Late start time $=15$ days

Late finish time $=21$ days

Which of the following statements is TRUE about activity E$?$

A$)$ Activity E takes $14$ days to complete.

B$)$ Activity $E$ has a slack time of $8$ days.

C$)$ Activity $E$ is on the critical path.

D$)$ Activity E takes $2$ days to complete.

E$)$ Activity $E$ takes $6$ days to complete.