Fill in the Blank $12$ points

Given is a CPM project network diagram as shown below.

$\backslash$table$[[$Activit$,\backslash$table$[[$Star$],[$t$]],$A$,$B$,$C$,$D$,$E$,$F$,$G$,$H$,$En$],[$y$,$day,$0,4,3,7,5,2,5,8,4],[,,,,,,,,,,]]$

a$)$ The Project Completion time $=$ typeyour answer. days.

b$)$ The Earliest Start time, ES$,$ of Activity G $=$ tyoe yourtanger. days:

c$)$ The Latest Finish time, LF$,$ of Activity $C=*$ M days.

d$)$ The critical activities are $=$ thperspur answat $($ex$.$ Fill in the answer as: ABCD $)$