$8.$ For the following questions, utilize the project data below. Assume all tasks start on the same day. $(6$ marks$)$

TASKS AB takes $7$ days

TASK C takes $9$ days

TASKS DEF takes $8$ days

TASKS DGH takes $10$ days

a$)$ What is the critical path for this project? $(1$mark$)$

b$)$ Define Slack Time? $($i$.$e$.$ Explain what it is$)(2$ mark$)$

c$)$ What is the slack time for C$?(1$ mark$)$

d$)$ What is the slack time for A$?(1$ mark$)$

e$)$ What is the slack time for G$?(1$ mark$)$