Consider the following activity schedule for a project:

Activity

ES

EF

LS

LF

Slack

CP

A

$0$

$3$

$0$

$3$

B

$3$

$6$

$5$

$8$

C

$3$

$8$

$3$

$8$

D

$8$

$12$

$8$

$12$

E

$8$

$11$

$9$

$12$

F

$12$

$14$

$12$

$14$

What is the completion time associated with Activity B$?$