Activity Predecessor Duration $($days$)$

A $-2$

B A $6$

C A $4$

D A $2$

E B $4$

F B$,$C$,$D $5$

G B $3$

H E$,$F $2$

$$Calculate ES$,$ LS$,$ EF$,$ LF $$ show all workings

$$Calculate Float for each job

$$What is the project duration?

$$What is the critical path?

$$Draw the diagram using the data above.