A construction project carries out seven activities as shown below:

$10$

Activity

Dependancy

Duration

A

Initial Activity

$5$ days

B

Initial Activity

$5$ days

C

Depends upon Activity A

$5$ days

D

Depends upon Activity B

$10$ days

E

Depends upon Activity B

$5$ days

F

Depends upon C and D

$10$ days

G

Depends upon Activity E

$10$ days

Calculate EST, EFT, LST$,$ LFT$,$ by drawing Network diagram. Also show critical path