f$3\mathrm{.}13.$ The following represent activities in Marc Masoud$$s Construction Company project

Activity Immediate

Predecessor$($s$)$

Time

$($weeks$)$

A None $1$

B None $4$

C A $1$

D B $5$

E B $2$

F C$,$ E $7$

G D $2$

H F$,$ G $3$

a$)$ Drawe the network to represent his situation.

b$)$ What activities are on the critical path? Please show your work.

c$)$ What is the length of the critical path? Please show your work